RHSA-2025:22072
Vulnerability from csaf_redhat - Published: 2025-11-25 12:37 - Updated: 2026-03-18 03:11Summary
Red Hat Security Advisory: kernel security update
Notes
Topic
An update for kernel is now available for Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions and Red Hat Enterprise Linux 8.8 Telecommunications Update Service.
Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.
Details
The kernel packages contain the Linux kernel, the core of any Linux operating system.
Security Fix(es):
* kernel: ALSA: usb-audio: Validate UAC3 power domain descriptors, too (CVE-2025-38729)
* kernel: sctp: linearize cloned gso packets in sctp_rcv (CVE-2025-38718)
* kernel: ALSA: usb-audio: Validate UAC3 cluster segment descriptors (CVE-2025-39757)
* kernel: x86/vmscape: Add conditional IBPB mitigation (CVE-2025-40300)
* kernel: Bluetooth: L2CAP: fix "bad unlock balance" in l2cap_disconnect_rsp (CVE-2023-53297)
* kernel: efivarfs: Fix slab-out-of-bounds in efivarfs_d_compare (CVE-2025-39817)
* kernel: cifs: fix oops during encryption (CVE-2022-50341)
* kernel: scsi: qla2xxx: Wait for io return on terminate rport (CVE-2023-53322)
* kernel: ip6mr: Fix skb_under_panic in ip6mr_cache_report() (CVE-2023-53365)
* kernel: skbuff: skb_segment, Call zero copy functions before using skbuff frags (CVE-2023-53354)
* kernel: Bluetooth: Fix potential use-after-free when clear keys (CVE-2023-53386)
* kernel: ext4: fix undefined behavior in bit shift for ext4_check_flag_values (CVE-2022-50403)
* kernel: mm/memory-failure: fix VM_BUG_ON_PAGE(PagePoisoned(page)) when unpoison memory (CVE-2025-39883)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
Terms of Use
This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.
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{
"category": "description",
"text": "An out-of-bounds memory access vulnerability exists in the linux kernel, such that A stack-allocated buffer (backed by vmalloc) was passed into crypto code (scatterwalk_map_and_copy() \u2192 __memcpy) where a cross-page write occurred. This ended up hitting a read-only mapping, causing a page-level fault and kernel panic (Oops: 9600004f), potentially damaging system availability and stability.",
"title": "Vulnerability description"
},
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"text": "kernel: cifs: fix oops during encryption",
"title": "Vulnerability summary"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
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"restart_required": {
"category": "machine"
},
"url": "https://access.redhat.com/errata/RHSA-2025:22072"
},
{
"category": "workaround",
"details": "Mitigation for this issue is either not available or the currently available options don\u0027t meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.",
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],
"scores": [
{
"cvss_v3": {
"attackComplexity": "HIGH",
"attackVector": "LOCAL",
"availabilityImpact": "HIGH",
"baseScore": 7.0,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
},
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"threats": [
{
"category": "impact",
"details": "Moderate"
}
],
"title": "kernel: cifs: fix oops during encryption"
},
{
"cve": "CVE-2022-50403",
"cwe": {
"id": "CWE-190",
"name": "Integer Overflow or Wraparound"
},
"discovery_date": "2025-09-18T00:00:00+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "2396494"
}
],
"notes": [
{
"category": "description",
"text": "A vulnerability was identified in the Linux kernel\u0027s ext4 filesystem implementation due to a flaw in how it processes filesystem metadata. An attacker with local privileges could create a malicious ext4 filesystem image to trigger this issue. When the system attempts to mount this malicious image, the kernel performs an incorrect calculation. This action results in unpredictable system behavior.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "kernel: ext4: fix undefined behavior in bit shift for ext4_check_flag_values",
"title": "Vulnerability summary"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
],
"product_status": {
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"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2022-50403"
},
{
"category": "external",
"summary": "RHBZ#2396494",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2396494"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2022-50403",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-50403"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2022-50403",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2022-50403"
},
{
"category": "external",
"summary": "https://lore.kernel.org/linux-cve-announce/2025091852-CVE-2022-50403-0471@gregkh/T",
"url": "https://lore.kernel.org/linux-cve-announce/2025091852-CVE-2022-50403-0471@gregkh/T"
}
],
"release_date": "2025-09-18T00:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2025-11-25T12:37:05+00:00",
"details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258\n\nThe system must be rebooted for this update to take effect.",
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},
"url": "https://access.redhat.com/errata/RHSA-2025:22072"
}
],
"scores": [
{
"cvss_v3": {
"attackComplexity": "HIGH",
"attackVector": "LOCAL",
"availabilityImpact": "HIGH",
"baseScore": 7.0,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
},
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],
"threats": [
{
"category": "impact",
"details": "Moderate"
}
],
"title": "kernel: ext4: fix undefined behavior in bit shift for ext4_check_flag_values"
},
{
"cve": "CVE-2023-53297",
"cwe": {
"id": "CWE-832",
"name": "Unlock of a Resource that is not Locked"
},
"discovery_date": "2025-09-16T00:00:00+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "2395681"
}
],
"notes": [
{
"category": "description",
"text": "In the Linux kernel, the following vulnerability has been resolved:\n\nBluetooth: L2CAP: fix \"bad unlock balance\" in l2cap_disconnect_rsp\n\nconn-\u003echan_lock isn\u0027t acquired before l2cap_get_chan_by_scid,\nif l2cap_get_chan_by_scid returns NULL, then \u0027bad unlock balance\u0027\nis triggered.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "kernel: Bluetooth: L2CAP: fix \"bad unlock balance\" in l2cap_disconnect_rsp",
"title": "Vulnerability summary"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
],
"product_status": {
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"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2023-53297"
},
{
"category": "external",
"summary": "RHBZ#2395681",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2395681"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2023-53297",
"url": "https://www.cve.org/CVERecord?id=CVE-2023-53297"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2023-53297",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2023-53297"
},
{
"category": "external",
"summary": "https://lore.kernel.org/linux-cve-announce/2025091627-CVE-2023-53297-8746@gregkh/T",
"url": "https://lore.kernel.org/linux-cve-announce/2025091627-CVE-2023-53297-8746@gregkh/T"
}
],
"release_date": "2025-09-16T00:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2025-11-25T12:37:05+00:00",
"details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258\n\nThe system must be rebooted for this update to take effect.",
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{
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"attackVector": "LOCAL",
"availabilityImpact": "HIGH",
"baseScore": 7.0,
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"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
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"vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
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],
"threats": [
{
"category": "impact",
"details": "Moderate"
}
],
"title": "kernel: Bluetooth: L2CAP: fix \"bad unlock balance\" in l2cap_disconnect_rsp"
},
{
"cve": "CVE-2023-53322",
"cwe": {
"id": "CWE-416",
"name": "Use After Free"
},
"discovery_date": "2025-09-16T00:00:00+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "2395891"
}
],
"notes": [
{
"category": "description",
"text": "A flaw was found in the Linux kernel\u2019s SCSI driver component qla2xxx (used with FCP-2 devices). When the terminate_rport_io() function is invoked , the driver may exit cleanup before all outstanding I/O operations have returned. This can lead to a use-after-free condition when resources are freed while I/Os are still pending.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "kernel: scsi: qla2xxx: Wait for io return on terminate rport",
"title": "Vulnerability summary"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
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"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2023-53322"
},
{
"category": "external",
"summary": "RHBZ#2395891",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2395891"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2023-53322",
"url": "https://www.cve.org/CVERecord?id=CVE-2023-53322"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2023-53322",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2023-53322"
},
{
"category": "external",
"summary": "https://lore.kernel.org/linux-cve-announce/2025091644-CVE-2023-53322-45ba@gregkh/T",
"url": "https://lore.kernel.org/linux-cve-announce/2025091644-CVE-2023-53322-45ba@gregkh/T"
}
],
"release_date": "2025-09-16T00:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2025-11-25T12:37:05+00:00",
"details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258\n\nThe system must be rebooted for this update to take effect.",
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},
"url": "https://access.redhat.com/errata/RHSA-2025:22072"
},
{
"category": "workaround",
"details": "Mitigation for this issue is either not available or the currently available options don\u0027t meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.",
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],
"scores": [
{
"cvss_v3": {
"attackComplexity": "HIGH",
"attackVector": "LOCAL",
"availabilityImpact": "HIGH",
"baseScore": 7.0,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
},
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}
],
"threats": [
{
"category": "impact",
"details": "Moderate"
}
],
"title": "kernel: scsi: qla2xxx: Wait for io return on terminate rport"
},
{
"cve": "CVE-2023-53354",
"cwe": {
"id": "CWE-476",
"name": "NULL Pointer Dereference"
},
"discovery_date": "2025-09-17T00:00:00+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "2396158"
}
],
"notes": [
{
"category": "description",
"text": "In the Linux kernel, the following vulnerability has been resolved:\n\nskbuff: skb_segment, Call zero copy functions before using skbuff frags\n\nCommit bf5c25d60861 (\"skbuff: in skb_segment, call zerocopy functions\nonce per nskb\") added the call to zero copy functions in skb_segment().\nThe change introduced a bug in skb_segment() because skb_orphan_frags()\nmay possibly change the number of fragments or allocate new fragments\naltogether leaving nrfrags and frag to point to the old values. This can\ncause a panic with stacktrace like the one below.\n\n[ 193.894380] BUG: kernel NULL pointer dereference, address: 00000000000000bc\n[ 193.895273] CPU: 13 PID: 18164 Comm: vh-net-17428 Kdump: loaded Tainted: G O 5.15.123+ #26\n[ 193.903919] RIP: 0010:skb_segment+0xb0e/0x12f0\n[ 194.021892] Call Trace:\n[ 194.027422] \u003cTASK\u003e\n[ 194.072861] tcp_gso_segment+0x107/0x540\n[ 194.082031] inet_gso_segment+0x15c/0x3d0\n[ 194.090783] skb_mac_gso_segment+0x9f/0x110\n[ 194.095016] __skb_gso_segment+0xc1/0x190\n[ 194.103131] netem_enqueue+0x290/0xb10 [sch_netem]\n[ 194.107071] dev_qdisc_enqueue+0x16/0x70\n[ 194.110884] __dev_queue_xmit+0x63b/0xb30\n[ 194.121670] bond_start_xmit+0x159/0x380 [bonding]\n[ 194.128506] dev_hard_start_xmit+0xc3/0x1e0\n[ 194.131787] __dev_queue_xmit+0x8a0/0xb30\n[ 194.138225] macvlan_start_xmit+0x4f/0x100 [macvlan]\n[ 194.141477] dev_hard_start_xmit+0xc3/0x1e0\n[ 194.144622] sch_direct_xmit+0xe3/0x280\n[ 194.147748] __dev_queue_xmit+0x54a/0xb30\n[ 194.154131] tap_get_user+0x2a8/0x9c0 [tap]\n[ 194.157358] tap_sendmsg+0x52/0x8e0 [tap]\n[ 194.167049] handle_tx_zerocopy+0x14e/0x4c0 [vhost_net]\n[ 194.173631] handle_tx+0xcd/0xe0 [vhost_net]\n[ 194.176959] vhost_worker+0x76/0xb0 [vhost]\n[ 194.183667] kthread+0x118/0x140\n[ 194.190358] ret_from_fork+0x1f/0x30\n[ 194.193670] \u003c/TASK\u003e\n\nIn this case calling skb_orphan_frags() updated nr_frags leaving nrfrags\nlocal variable in skb_segment() stale. This resulted in the code hitting\ni \u003e= nrfrags prematurely and trying to move to next frag_skb using\nlist_skb pointer, which was NULL, and caused kernel panic. Move the call\nto zero copy functions before using frags and nr_frags.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "kernel: skbuff: skb_segment, Call zero copy functions before using skbuff frags",
"title": "Vulnerability summary"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
],
"product_status": {
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},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2023-53354"
},
{
"category": "external",
"summary": "RHBZ#2396158",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2396158"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2023-53354",
"url": "https://www.cve.org/CVERecord?id=CVE-2023-53354"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2023-53354",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2023-53354"
},
{
"category": "external",
"summary": "https://lore.kernel.org/linux-cve-announce/2025091721-CVE-2023-53354-771f@gregkh/T",
"url": "https://lore.kernel.org/linux-cve-announce/2025091721-CVE-2023-53354-771f@gregkh/T"
}
],
"release_date": "2025-09-17T00:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2025-11-25T12:37:05+00:00",
"details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258\n\nThe system must be rebooted for this update to take effect.",
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"restart_required": {
"category": "machine"
},
"url": "https://access.redhat.com/errata/RHSA-2025:22072"
}
],
"scores": [
{
"cvss_v3": {
"attackComplexity": "HIGH",
"attackVector": "LOCAL",
"availabilityImpact": "HIGH",
"baseScore": 7.0,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
},
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"threats": [
{
"category": "impact",
"details": "Moderate"
}
],
"title": "kernel: skbuff: skb_segment, Call zero copy functions before using skbuff frags"
},
{
"cve": "CVE-2023-53365",
"cwe": {
"id": "CWE-124",
"name": "Buffer Underwrite (\u0027Buffer Underflow\u0027)"
},
"discovery_date": "2025-09-17T00:00:00+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "2396130"
}
],
"notes": [
{
"category": "description",
"text": "A buffer underwrite vulnerability exists in the linux kernel in the function skb_under_panic in ip6mr_cache_report(), leading to an attacker, via crafting a payload, could result in damage to system availability and integrity.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "kernel: ip6mr: Fix skb_under_panic in ip6mr_cache_report()",
"title": "Vulnerability summary"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
],
"product_status": {
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"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2023-53365"
},
{
"category": "external",
"summary": "RHBZ#2396130",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2396130"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2023-53365",
"url": "https://www.cve.org/CVERecord?id=CVE-2023-53365"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2023-53365",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2023-53365"
},
{
"category": "external",
"summary": "https://lore.kernel.org/linux-cve-announce/2025091723-CVE-2023-53365-acb1@gregkh/T",
"url": "https://lore.kernel.org/linux-cve-announce/2025091723-CVE-2023-53365-acb1@gregkh/T"
}
],
"release_date": "2025-09-17T00:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2025-11-25T12:37:05+00:00",
"details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258\n\nThe system must be rebooted for this update to take effect.",
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"restart_required": {
"category": "machine"
},
"url": "https://access.redhat.com/errata/RHSA-2025:22072"
},
{
"category": "workaround",
"details": "Mitigation for this issue is either not available or the currently available options don\u0027t meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.",
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],
"scores": [
{
"cvss_v3": {
"attackComplexity": "HIGH",
"attackVector": "LOCAL",
"availabilityImpact": "HIGH",
"baseScore": 7.0,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
},
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"threats": [
{
"category": "impact",
"details": "Moderate"
}
],
"title": "kernel: ip6mr: Fix skb_under_panic in ip6mr_cache_report()"
},
{
"cve": "CVE-2023-53386",
"cwe": {
"id": "CWE-416",
"name": "Use After Free"
},
"discovery_date": "2025-09-18T00:00:00+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "2396419"
}
],
"notes": [
{
"category": "description",
"text": "In the Linux kernel, the following vulnerability has been resolved:\n\nBluetooth: Fix potential use-after-free when clear keys\n\nSimilar to commit c5d2b6fa26b5 (\"Bluetooth: Fix use-after-free in\nhci_remove_ltk/hci_remove_irk\"). We can not access k after kfree_rcu()\ncall.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "kernel: Bluetooth: Fix potential use-after-free when clear keys",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "A use-after-free bug was identified in the Bluetooth stack when clearing link and security keys. The code iterated with list_for_each_entry() and freed items with kfree_rcu(), allowing access to freed memory.\nA local user with Bluetooth administration privileges (e.g. able to unpair devices, reset the adapter or manage stored keys) can reliably trigger this bug, causing use-after-free and likely DoS/kernel crash. And the confidential data leakage from freed memory is theoretically possible. Triggering this remotely is difficult \u2014 an unauthenticated/unknown device generally cannot force the kernel to clear those local key lists \u2014 and would realistically require a device that is already paired/authenticated (or otherwise an exploit chain) to influence the same code paths.",
"title": "Statement"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
],
"product_status": {
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"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2023-53386"
},
{
"category": "external",
"summary": "RHBZ#2396419",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2396419"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2023-53386",
"url": "https://www.cve.org/CVERecord?id=CVE-2023-53386"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2023-53386",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2023-53386"
},
{
"category": "external",
"summary": "https://lore.kernel.org/linux-cve-announce/2025091857-CVE-2023-53386-8ab2@gregkh/T",
"url": "https://lore.kernel.org/linux-cve-announce/2025091857-CVE-2023-53386-8ab2@gregkh/T"
}
],
"release_date": "2025-09-18T00:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2025-11-25T12:37:05+00:00",
"details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258\n\nThe system must be rebooted for this update to take effect.",
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"restart_required": {
"category": "machine"
},
"url": "https://access.redhat.com/errata/RHSA-2025:22072"
},
{
"category": "workaround",
"details": "To mitigate these vulnerabilities on the operating system level, disable the Bluetooth functionality via blocklisting kernel modules in the Linux kernel. The kernel modules can be prevented from being loaded by using system-wide modprobe rules. Instructions on how to disable Bluetooth modules are available on the customer portal at https://access.redhat.com/solutions/2682931.\n\nAlternatively, bluetooth can be disabled within the hardware or at the BIOS level, which will also provide effective mitigation as the kernel will not detect Bluetooth hardware on the system.",
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"scores": [
{
"cvss_v3": {
"attackComplexity": "LOW",
"attackVector": "LOCAL",
"availabilityImpact": "HIGH",
"baseScore": 7.1,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "NONE",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H",
"version": "3.1"
},
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"threats": [
{
"category": "impact",
"details": "Moderate"
}
],
"title": "kernel: Bluetooth: Fix potential use-after-free when clear keys"
},
{
"cve": "CVE-2025-38718",
"cwe": {
"id": "CWE-664",
"name": "Improper Control of a Resource Through its Lifetime"
},
"discovery_date": "2025-09-04T00:00:00+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "2393166"
}
],
"notes": [
{
"category": "description",
"text": "A flaw use of uninitialized memory (uncontrolled and invisible by attacker) in the Linux kernel SCTP transport protocol was found in the way user triggers malicious SCTP packets. A remote user could use this flaw to crash the system. The bug actual only for systems where SCTP protocol being enabled and used.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "kernel: sctp: linearize cloned gso packets in sctp_rcv",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "A flaw in the SCTP receive path failed to linearize cloned GSO sk_buffs before accessing fraglists, leading to reads of uninitialized memory as reported by KMSAN. An attacker sending SCTP traffic can trigger incorrect processing and potentially cause a kernel denial of service on the target under specific RX conditions.\nStream Control Transmission Protocol (SCTP) is a transport-layer protocol (like TCP or UDP) primarily used in telecom signaling and some specialized applications. On most Linux systems it is disabled by default, and remote connectivity is only possible if SCTP support is enabled and listening services are configured (commonly using the IANA-assigned port 2905/tcp for M3UA or other protocol-specific ports). Therefore, the vulnerability is only exploitable when SCTP is enabled and reachable on the target system.\nAlthough KMSAN reports this issue as use of uninitialized memory (which deterministically crashes with KMSAN enabled), on production kernels the impact is still availability-related.",
"title": "Statement"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
],
"product_status": {
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},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2025-38718"
},
{
"category": "external",
"summary": "RHBZ#2393166",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2393166"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2025-38718",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-38718"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2025-38718",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2025-38718"
},
{
"category": "external",
"summary": "https://lore.kernel.org/linux-cve-announce/2025090459-CVE-2025-38718-5bb6@gregkh/T",
"url": "https://lore.kernel.org/linux-cve-announce/2025090459-CVE-2025-38718-5bb6@gregkh/T"
}
],
"release_date": "2025-09-04T00:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2025-11-25T12:37:05+00:00",
"details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258\n\nThe system must be rebooted for this update to take effect.",
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"restart_required": {
"category": "machine"
},
"url": "https://access.redhat.com/errata/RHSA-2025:22072"
},
{
"category": "workaround",
"details": "To mitigate this issue, prevent module sctp from being loaded. Please see https://access.redhat.com/solutions/41278 for how to blacklist a kernel module to prevent it from loading automatically.",
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"scores": [
{
"cvss_v3": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 7.5,
"baseSeverity": "HIGH",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"version": "3.1"
},
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],
"threats": [
{
"category": "impact",
"details": "Moderate"
}
],
"title": "kernel: sctp: linearize cloned gso packets in sctp_rcv"
},
{
"cve": "CVE-2025-38729",
"cwe": {
"id": "CWE-125",
"name": "Out-of-bounds Read"
},
"discovery_date": "2025-09-04T00:00:00+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "2393164"
}
],
"notes": [
{
"category": "description",
"text": "In the Linux kernel, the following vulnerability has been resolved:\n\nALSA: usb-audio: Validate UAC3 power domain descriptors, too\n\nUAC3 power domain descriptors need to be verified with its variable\nbLength for avoiding the unexpected OOB accesses by malicious\nfirmware, too.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "kernel: ALSA: usb-audio: Validate UAC3 power domain descriptors, too",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "A malicious or malformed USB Audio Class 3.0 device could provide a power-domain descriptor with an invalid bLength, leading the usb-audio parser to read past the end of the buffer. The fix adds explicit length checks for UAC3 power domain descriptors to prevent OOB access.",
"title": "Statement"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
],
"product_status": {
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},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2025-38729"
},
{
"category": "external",
"summary": "RHBZ#2393164",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2393164"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2025-38729",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-38729"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2025-38729",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2025-38729"
},
{
"category": "external",
"summary": "https://lore.kernel.org/linux-cve-announce/2025090403-CVE-2025-38729-ca88@gregkh/T",
"url": "https://lore.kernel.org/linux-cve-announce/2025090403-CVE-2025-38729-ca88@gregkh/T"
}
],
"release_date": "2025-09-04T00:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2025-11-25T12:37:05+00:00",
"details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258\n\nThe system must be rebooted for this update to take effect.",
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},
"url": "https://access.redhat.com/errata/RHSA-2025:22072"
},
{
"category": "workaround",
"details": "Mitigation for this issue is either not available or the currently available options don\u0027t meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.",
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"scores": [
{
"cvss_v3": {
"attackComplexity": "LOW",
"attackVector": "LOCAL",
"availabilityImpact": "HIGH",
"baseScore": 7.1,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "NONE",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H",
"version": "3.1"
},
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],
"threats": [
{
"category": "impact",
"details": "Moderate"
}
],
"title": "kernel: ALSA: usb-audio: Validate UAC3 power domain descriptors, too"
},
{
"cve": "CVE-2025-39757",
"cwe": {
"id": "CWE-20",
"name": "Improper Input Validation"
},
"discovery_date": "2025-09-11T00:00:00+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "2394615"
}
],
"notes": [
{
"category": "description",
"text": "In the Linux kernel, the following vulnerability has been resolved:\n\nALSA: usb-audio: Validate UAC3 cluster segment descriptors\n\nUAC3 class segment descriptors need to be verified whether their sizes\nmatch with the declared lengths and whether they fit with the\nallocated buffer sizes, too. Otherwise malicious firmware may lead to\nthe unexpected OOB accesses.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "kernel: ALSA: usb-audio: Validate UAC3 cluster segment descriptors",
"title": "Vulnerability summary"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
],
"product_status": {
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},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2025-39757"
},
{
"category": "external",
"summary": "RHBZ#2394615",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2394615"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2025-39757",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-39757"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2025-39757",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2025-39757"
},
{
"category": "external",
"summary": "https://lore.kernel.org/linux-cve-announce/2025091144-CVE-2025-39757-e212@gregkh/T",
"url": "https://lore.kernel.org/linux-cve-announce/2025091144-CVE-2025-39757-e212@gregkh/T"
}
],
"release_date": "2025-09-11T00:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2025-11-25T12:37:05+00:00",
"details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258\n\nThe system must be rebooted for this update to take effect.",
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"restart_required": {
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},
"url": "https://access.redhat.com/errata/RHSA-2025:22072"
}
],
"scores": [
{
"cvss_v3": {
"attackComplexity": "LOW",
"attackVector": "LOCAL",
"availabilityImpact": "HIGH",
"baseScore": 7.1,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "NONE",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H",
"version": "3.1"
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"threats": [
{
"category": "impact",
"details": "Moderate"
}
],
"title": "kernel: ALSA: usb-audio: Validate UAC3 cluster segment descriptors"
},
{
"cve": "CVE-2025-39817",
"cwe": {
"id": "CWE-125",
"name": "Out-of-bounds Read"
},
"discovery_date": "2025-09-16T00:00:00+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "2395805"
}
],
"notes": [
{
"category": "description",
"text": "A slab-out-of-bounds exists in the linux kernel in efivarfs_d_compare, such that the issue can be triggered by parallel lookups using an invalid filename due to an incorrect memcmp function.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "kernel: efivarfs: Fix slab-out-of-bounds in efivarfs_d_compare",
"title": "Vulnerability summary"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
],
"product_status": {
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"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2025-39817"
},
{
"category": "external",
"summary": "RHBZ#2395805",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2395805"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2025-39817",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-39817"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2025-39817",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2025-39817"
},
{
"category": "external",
"summary": "https://lore.kernel.org/linux-cve-announce/2025091615-CVE-2025-39817-90b7@gregkh/T",
"url": "https://lore.kernel.org/linux-cve-announce/2025091615-CVE-2025-39817-90b7@gregkh/T"
}
],
"release_date": "2025-09-16T00:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2025-11-25T12:37:05+00:00",
"details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258\n\nThe system must be rebooted for this update to take effect.",
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"url": "https://access.redhat.com/errata/RHSA-2025:22072"
},
{
"category": "workaround",
"details": "Mitigation for this issue is either not available or the currently available options don\u0027t meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.",
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{
"cvss_v3": {
"attackComplexity": "HIGH",
"attackVector": "LOCAL",
"availabilityImpact": "HIGH",
"baseScore": 7.0,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
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],
"threats": [
{
"category": "impact",
"details": "Moderate"
}
],
"title": "kernel: efivarfs: Fix slab-out-of-bounds in efivarfs_d_compare"
},
{
"cve": "CVE-2025-39883",
"cwe": {
"id": "CWE-416",
"name": "Use After Free"
},
"discovery_date": "2025-09-23T00:00:00+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "2397553"
}
],
"notes": [
{
"category": "description",
"text": "A use-after-free memory bug exists in the linux kernel, such that unpoison_memory() tries to check the PG_HWPoison\nflags of an uninitialized page. So VM_BUG_ON_PAGE(PagePoisoned(page)) is triggered, leading to damage to the system availability and integrity.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "kernel: mm/memory-failure: fix VM_BUG_ON_PAGE(PagePoisoned(page)) when unpoison memory",
"title": "Vulnerability summary"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
],
"product_status": {
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},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2025-39883"
},
{
"category": "external",
"summary": "RHBZ#2397553",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2397553"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2025-39883",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-39883"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2025-39883",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2025-39883"
},
{
"category": "external",
"summary": "https://lore.kernel.org/linux-cve-announce/2025092302-CVE-2025-39883-6015@gregkh/T",
"url": "https://lore.kernel.org/linux-cve-announce/2025092302-CVE-2025-39883-6015@gregkh/T"
}
],
"release_date": "2025-09-23T00:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2025-11-25T12:37:05+00:00",
"details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258\n\nThe system must be rebooted for this update to take effect.",
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"restart_required": {
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},
"url": "https://access.redhat.com/errata/RHSA-2025:22072"
},
{
"category": "workaround",
"details": "Mitigation for this issue is either not available or the currently available options don\u0027t meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.",
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"scores": [
{
"cvss_v3": {
"attackComplexity": "HIGH",
"attackVector": "LOCAL",
"availabilityImpact": "HIGH",
"baseScore": 7.0,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
},
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],
"threats": [
{
"category": "impact",
"details": "Moderate"
}
],
"title": "kernel: mm/memory-failure: fix VM_BUG_ON_PAGE(PagePoisoned(page)) when unpoison memory"
},
{
"cve": "CVE-2025-40300",
"cwe": {
"id": "CWE-402",
"name": "Transmission of Private Resources into a New Sphere (\u0027Resource Leak\u0027)"
},
"discovery_date": "2025-09-11T17:02:50.023441+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "2394627"
}
],
"notes": [
{
"category": "description",
"text": "In the Linux kernel, the following vulnerability has been resolved: x86/vmscape: Add conditional IBPB mitigation VMSCAPE is a vulnerability that exploits insufficient branch predictor isolation between a guest and a userspace hypervisor (like QEMU). Existing mitigations already protect kernel/KVM from a malicious guest. Userspace can additionally be protected by flushing the branch predictors after a VMexit. Since it is the userspace that consumes the poisoned branch predictors, conditionally issue an IBPB after a VMexit and before returning to userspace. Workloads that frequently switch between hypervisor and userspace will incur the most overhead from the new IBPB. This new IBPB is not integrated with the existing IBPB sites. For instance, a task can use the existing speculation control prctl() to get an IBPB at context switch time. With this implementation, the IBPB is doubled up: one at context switch and another before running userspace. The intent is to integrate and optimize these cases post-embargo. [ dhansen: elaborate on suboptimal IBPB solution ]",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "kernel: x86/vmscape: Add conditional IBPB mitigation",
"title": "Vulnerability summary"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
],
"product_status": {
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},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2025-40300"
},
{
"category": "external",
"summary": "RHBZ#2394627",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2394627"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2025-40300",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-40300"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2025-40300",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2025-40300"
}
],
"release_date": "2025-09-11T16:49:24.809000+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2025-11-25T12:37:05+00:00",
"details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258\n\nThe system must be rebooted for this update to take effect.",
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"url": "https://access.redhat.com/errata/RHSA-2025:22072"
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],
"scores": [
{
"cvss_v3": {
"attackComplexity": "LOW",
"attackVector": "LOCAL",
"availabilityImpact": "NONE",
"baseScore": 6.5,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "HIGH",
"integrityImpact": "NONE",
"privilegesRequired": "LOW",
"scope": "CHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N",
"version": "3.1"
},
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]
}
],
"threats": [
{
"category": "impact",
"details": "Moderate"
}
],
"title": "kernel: x86/vmscape: Add conditional IBPB mitigation"
}
]
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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