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wid-sec-w-2024-1431
Vulnerability from csaf_certbund
Published
2024-06-23 22:00
Modified
2024-07-24 22:00
Summary
Linux Kernel: Mehrere Schwachstellen ermöglichen Denial of Service
Notes
Das BSI ist als Anbieter für die eigenen, zur Nutzung bereitgestellten Inhalte nach den allgemeinen Gesetzen verantwortlich. Nutzerinnen und Nutzer sind jedoch dafür verantwortlich, die Verwendung und/oder die Umsetzung der mit den Inhalten bereitgestellten Informationen sorgfältig im Einzelfall zu prüfen.
Produktbeschreibung
Der Kernel stellt den Kern des Linux Betriebssystems dar.
Angriff
Ein lokaler Angreifer kann mehrere Schwachstellen im Linux Kernel ausnutzen, um einen Denial of Service Angriff durchzuführen.
Betroffene Betriebssysteme
- Linux
{
"document": {
"aggregate_severity": {
"text": "mittel"
},
"category": "csaf_base",
"csaf_version": "2.0",
"distribution": {
"tlp": {
"label": "WHITE",
"url": "https://www.first.org/tlp/"
}
},
"lang": "de-DE",
"notes": [
{
"category": "legal_disclaimer",
"text": "Das BSI ist als Anbieter f\u00fcr die eigenen, zur Nutzung bereitgestellten Inhalte nach den allgemeinen Gesetzen verantwortlich. Nutzerinnen und Nutzer sind jedoch daf\u00fcr verantwortlich, die Verwendung und/oder die Umsetzung der mit den Inhalten bereitgestellten Informationen sorgf\u00e4ltig im Einzelfall zu pr\u00fcfen."
},
{
"category": "description",
"text": "Der Kernel stellt den Kern des Linux Betriebssystems dar.",
"title": "Produktbeschreibung"
},
{
"category": "summary",
"text": "Ein lokaler Angreifer kann mehrere Schwachstellen im Linux Kernel ausnutzen, um einen Denial of Service Angriff durchzuf\u00fchren.",
"title": "Angriff"
},
{
"category": "general",
"text": "- Linux",
"title": "Betroffene Betriebssysteme"
}
],
"publisher": {
"category": "other",
"contact_details": "csaf-provider@cert-bund.de",
"name": "Bundesamt f\u00fcr Sicherheit in der Informationstechnik",
"namespace": "https://www.bsi.bund.de"
},
"references": [
{
"category": "self",
"summary": "WID-SEC-W-2024-1431 - CSAF Version",
"url": "https://wid.cert-bund.de/.well-known/csaf/white/2024/wid-sec-w-2024-1431.json"
},
{
"category": "self",
"summary": "WID-SEC-2024-1431 - Portal Version",
"url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2024-1431"
},
{
"category": "external",
"summary": "Linux CVE Announcement vom 2024-06-23",
"url": "https://lore.kernel.org/linux-cve-announce/2024062131-CVE-2023-52884-5b0d@gregkh/T/"
},
{
"category": "external",
"summary": "Linux CVE Announcement vom 2024-06-23",
"url": "https://lore.kernel.org/linux-cve-announce/2024062134-CVE-2024-31076-786e@gregkh/T/"
},
{
"category": "external",
"summary": "Linux CVE Announcement vom 2024-06-23",
"url": "https://lore.kernel.org/linux-cve-announce/2024062136-CVE-2024-36489-7213@gregkh/T/"
},
{
"category": "external",
"summary": "Linux CVE Announcement vom 2024-06-23",
"url": "https://lore.kernel.org/linux-cve-announce/2024062137-CVE-2024-37353-71d4@gregkh/T/"
},
{
"category": "external",
"summary": "Linux CVE Announcement vom 2024-06-23",
"url": "https://lore.kernel.org/linux-cve-announce/2024062137-CVE-2024-37356-cc7b@gregkh/T/"
},
{
"category": "external",
"summary": "Linux CVE Announcement vom 2024-06-23",
"url": "https://lore.kernel.org/linux-cve-announce/2024062137-CVE-2024-38381-07fb@gregkh/T/"
},
{
"category": "external",
"summary": "Linux CVE Announcement vom 2024-06-23",
"url": "https://lore.kernel.org/linux-cve-announce/2024062137-CVE-2024-38388-fb75@gregkh/T/"
},
{
"category": "external",
"summary": "Linux CVE Announcement vom 2024-06-23",
"url": "https://lore.kernel.org/linux-cve-announce/2024062138-CVE-2024-38390-395e@gregkh/T/"
},
{
"category": "external",
"summary": "Linux CVE Announcement vom 2024-06-23",
"url": "https://lore.kernel.org/linux-cve-announce/2024062138-CVE-2024-38391-c792@gregkh/T/"
},
{
"category": "external",
"summary": "Linux CVE Announcement vom 2024-06-23",
"url": "https://lore.kernel.org/linux-cve-announce/2024062138-CVE-2024-38621-d52e@gregkh/T/"
},
{
"category": "external",
"summary": "Debian Security Advisory DLA-3840 vom 2024-06-27",
"url": "https://lists.debian.org/debian-lts-announce/2024/06/msg00020.html"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2024:2372-1 vom 2024-07-09",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2024-July/018901.html"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2024:2360-1 vom 2024-07-09",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2024-July/018907.html"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2024:2381-1 vom 2024-07-10",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2024-July/018916.html"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2024:2394-1 vom 2024-07-10",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2024-July/018922.html"
},
{
"category": "external",
"summary": "Debian Security Advisory DSA-5730 vom 2024-07-16",
"url": "https://lists.debian.org/debian-security-announce/2024/msg00141.html"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2024:2561-1 vom 2024-07-18",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2024-July/019001.html"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2024:2571-1 vom 2024-07-22",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2024-July/019019.html"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2024:4831 vom 2024-07-24",
"url": "https://access.redhat.com/errata/RHSA-2024:4831"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2024:4823 vom 2024-07-24",
"url": "https://access.redhat.com/errata/RHSA-2024:4823"
}
],
"source_lang": "en-US",
"title": "Linux Kernel: Mehrere Schwachstellen erm\u00f6glichen Denial of Service",
"tracking": {
"current_release_date": "2024-07-24T22:00:00.000+00:00",
"generator": {
"date": "2024-07-25T08:32:58.573+00:00",
"engine": {
"name": "BSI-WID",
"version": "1.3.0"
}
},
"id": "WID-SEC-W-2024-1431",
"initial_release_date": "2024-06-23T22:00:00.000+00:00",
"revision_history": [
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"date": "2024-06-23T22:00:00.000+00:00",
"number": "1",
"summary": "Initiale Fassung"
},
{
"date": "2024-06-27T22:00:00.000+00:00",
"number": "2",
"summary": "Neue Updates von Debian aufgenommen"
},
{
"date": "2024-07-09T22:00:00.000+00:00",
"number": "3",
"summary": "Neue Updates von SUSE aufgenommen"
},
{
"date": "2024-07-10T22:00:00.000+00:00",
"number": "4",
"summary": "Neue Updates von SUSE aufgenommen"
},
{
"date": "2024-07-15T22:00:00.000+00:00",
"number": "5",
"summary": "Neue Updates von Debian aufgenommen"
},
{
"date": "2024-07-18T22:00:00.000+00:00",
"number": "6",
"summary": "Neue Updates von SUSE aufgenommen"
},
{
"date": "2024-07-22T22:00:00.000+00:00",
"number": "7",
"summary": "Neue Updates von SUSE aufgenommen"
},
{
"date": "2024-07-24T22:00:00.000+00:00",
"number": "8",
"summary": "Neue Updates von Red Hat aufgenommen"
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}
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}
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"category": "vendor",
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{
"branches": [
{
"branches": [
{
"category": "product_version_range",
"name": "\u003c6.10-rc1",
"product": {
"name": "Open Source Linux Kernel \u003c6.10-rc1",
"product_id": "T035616",
"product_identification_helper": {
"cpe": "cpe:/o:linux:linux_kernel:6.10-rc1"
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],
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],
"category": "vendor",
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{
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"name": "Red Hat Enterprise Linux",
"product": {
"name": "Red Hat Enterprise Linux",
"product_id": "67646",
"product_identification_helper": {
"cpe": "cpe:/o:redhat:enterprise_linux:-"
}
}
}
],
"category": "vendor",
"name": "Red Hat"
},
{
"branches": [
{
"category": "product_name",
"name": "SUSE Linux",
"product": {
"name": "SUSE Linux",
"product_id": "T002207",
"product_identification_helper": {
"cpe": "cpe:/o:suse:suse_linux:-"
}
}
}
],
"category": "vendor",
"name": "SUSE"
}
]
},
"vulnerabilities": [
{
"cve": "CVE-2023-52884",
"notes": [
{
"category": "description",
"text": "Es bestehen mehrere Schwachstellen im Linux-Kernel. Diese Fehler bestehen in mehreren Komponenten und Subsystemen wie z.B. cyapa, virtio oder nfc/nci u.a. aufgrund mehrerer sicherheitsrelevanter Probleme wie z.B. einer NULL- Pointer-Dereferenz, einem Out-of-Bound Write oder einem Vektorleck und mehr. Ein lokaler Angreifer kann diese Schwachstellen ausnutzen, um einen Denial-of-Service-Zustand zu verursachen oder einen unspezifischen Angriff durchzuf\u00fchren."
}
],
"product_status": {
"known_affected": [
"2951",
"T002207",
"67646"
]
},
"release_date": "2024-06-23T22:00:00Z",
"title": "CVE-2023-52884"
},
{
"cve": "CVE-2024-31076",
"notes": [
{
"category": "description",
"text": "Es bestehen mehrere Schwachstellen im Linux-Kernel. Diese Fehler bestehen in mehreren Komponenten und Subsystemen wie z.B. cyapa, virtio oder nfc/nci u.a. aufgrund mehrerer sicherheitsrelevanter Probleme wie z.B. einer NULL- Pointer-Dereferenz, einem Out-of-Bound Write oder einem Vektorleck und mehr. Ein lokaler Angreifer kann diese Schwachstellen ausnutzen, um einen Denial-of-Service-Zustand zu verursachen oder einen unspezifischen Angriff durchzuf\u00fchren."
}
],
"product_status": {
"known_affected": [
"2951",
"T002207",
"67646"
]
},
"release_date": "2024-06-23T22:00:00Z",
"title": "CVE-2024-31076"
},
{
"cve": "CVE-2024-36489",
"notes": [
{
"category": "description",
"text": "Es bestehen mehrere Schwachstellen im Linux-Kernel. Diese Fehler bestehen in mehreren Komponenten und Subsystemen wie z.B. cyapa, virtio oder nfc/nci u.a. aufgrund mehrerer sicherheitsrelevanter Probleme wie z.B. einer NULL- Pointer-Dereferenz, einem Out-of-Bound Write oder einem Vektorleck und mehr. Ein lokaler Angreifer kann diese Schwachstellen ausnutzen, um einen Denial-of-Service-Zustand zu verursachen oder einen unspezifischen Angriff durchzuf\u00fchren."
}
],
"product_status": {
"known_affected": [
"2951",
"T002207",
"67646"
]
},
"release_date": "2024-06-23T22:00:00Z",
"title": "CVE-2024-36489"
},
{
"cve": "CVE-2024-37353",
"notes": [
{
"category": "description",
"text": "Es bestehen mehrere Schwachstellen im Linux-Kernel. Diese Fehler bestehen in mehreren Komponenten und Subsystemen wie z.B. cyapa, virtio oder nfc/nci u.a. aufgrund mehrerer sicherheitsrelevanter Probleme wie z.B. einer NULL- Pointer-Dereferenz, einem Out-of-Bound Write oder einem Vektorleck und mehr. Ein lokaler Angreifer kann diese Schwachstellen ausnutzen, um einen Denial-of-Service-Zustand zu verursachen oder einen unspezifischen Angriff durchzuf\u00fchren."
}
],
"product_status": {
"known_affected": [
"2951",
"T002207",
"67646"
]
},
"release_date": "2024-06-23T22:00:00Z",
"title": "CVE-2024-37353"
},
{
"cve": "CVE-2024-37356",
"notes": [
{
"category": "description",
"text": "Es bestehen mehrere Schwachstellen im Linux-Kernel. Diese Fehler bestehen in mehreren Komponenten und Subsystemen wie z.B. cyapa, virtio oder nfc/nci u.a. aufgrund mehrerer sicherheitsrelevanter Probleme wie z.B. einer NULL- Pointer-Dereferenz, einem Out-of-Bound Write oder einem Vektorleck und mehr. Ein lokaler Angreifer kann diese Schwachstellen ausnutzen, um einen Denial-of-Service-Zustand zu verursachen oder einen unspezifischen Angriff durchzuf\u00fchren."
}
],
"product_status": {
"known_affected": [
"2951",
"T002207",
"67646"
]
},
"release_date": "2024-06-23T22:00:00Z",
"title": "CVE-2024-37356"
},
{
"cve": "CVE-2024-38381",
"notes": [
{
"category": "description",
"text": "Es bestehen mehrere Schwachstellen im Linux-Kernel. Diese Fehler bestehen in mehreren Komponenten und Subsystemen wie z.B. cyapa, virtio oder nfc/nci u.a. aufgrund mehrerer sicherheitsrelevanter Probleme wie z.B. einer NULL- Pointer-Dereferenz, einem Out-of-Bound Write oder einem Vektorleck und mehr. Ein lokaler Angreifer kann diese Schwachstellen ausnutzen, um einen Denial-of-Service-Zustand zu verursachen oder einen unspezifischen Angriff durchzuf\u00fchren."
}
],
"product_status": {
"known_affected": [
"2951",
"T002207",
"67646"
]
},
"release_date": "2024-06-23T22:00:00Z",
"title": "CVE-2024-38381"
},
{
"cve": "CVE-2024-38388",
"notes": [
{
"category": "description",
"text": "Es bestehen mehrere Schwachstellen im Linux-Kernel. Diese Fehler bestehen in mehreren Komponenten und Subsystemen wie z.B. cyapa, virtio oder nfc/nci u.a. aufgrund mehrerer sicherheitsrelevanter Probleme wie z.B. einer NULL- Pointer-Dereferenz, einem Out-of-Bound Write oder einem Vektorleck und mehr. Ein lokaler Angreifer kann diese Schwachstellen ausnutzen, um einen Denial-of-Service-Zustand zu verursachen oder einen unspezifischen Angriff durchzuf\u00fchren."
}
],
"product_status": {
"known_affected": [
"2951",
"T002207",
"67646"
]
},
"release_date": "2024-06-23T22:00:00Z",
"title": "CVE-2024-38388"
},
{
"cve": "CVE-2024-38390",
"notes": [
{
"category": "description",
"text": "Es bestehen mehrere Schwachstellen im Linux-Kernel. Diese Fehler bestehen in mehreren Komponenten und Subsystemen wie z.B. cyapa, virtio oder nfc/nci u.a. aufgrund mehrerer sicherheitsrelevanter Probleme wie z.B. einer NULL- Pointer-Dereferenz, einem Out-of-Bound Write oder einem Vektorleck und mehr. Ein lokaler Angreifer kann diese Schwachstellen ausnutzen, um einen Denial-of-Service-Zustand zu verursachen oder einen unspezifischen Angriff durchzuf\u00fchren."
}
],
"product_status": {
"known_affected": [
"2951",
"T002207",
"67646"
]
},
"release_date": "2024-06-23T22:00:00Z",
"title": "CVE-2024-38390"
},
{
"cve": "CVE-2024-38391",
"notes": [
{
"category": "description",
"text": "Es bestehen mehrere Schwachstellen im Linux-Kernel. Diese Fehler bestehen in mehreren Komponenten und Subsystemen wie z.B. cyapa, virtio oder nfc/nci u.a. aufgrund mehrerer sicherheitsrelevanter Probleme wie z.B. einer NULL- Pointer-Dereferenz, einem Out-of-Bound Write oder einem Vektorleck und mehr. Ein lokaler Angreifer kann diese Schwachstellen ausnutzen, um einen Denial-of-Service-Zustand zu verursachen oder einen unspezifischen Angriff durchzuf\u00fchren."
}
],
"product_status": {
"known_affected": [
"2951",
"T002207",
"67646"
]
},
"release_date": "2024-06-23T22:00:00Z",
"title": "CVE-2024-38391"
},
{
"cve": "CVE-2024-38621",
"notes": [
{
"category": "description",
"text": "Es bestehen mehrere Schwachstellen im Linux-Kernel. Diese Fehler bestehen in mehreren Komponenten und Subsystemen wie z.B. cyapa, virtio oder nfc/nci u.a. aufgrund mehrerer sicherheitsrelevanter Probleme wie z.B. einer NULL- Pointer-Dereferenz, einem Out-of-Bound Write oder einem Vektorleck und mehr. Ein lokaler Angreifer kann diese Schwachstellen ausnutzen, um einen Denial-of-Service-Zustand zu verursachen oder einen unspezifischen Angriff durchzuf\u00fchren."
}
],
"product_status": {
"known_affected": [
"2951",
"T002207",
"67646"
]
},
"release_date": "2024-06-23T22:00:00Z",
"title": "CVE-2024-38621"
}
]
}
cve-2024-38621
Vulnerability from cvelistv5
Published
2024-06-21 10:18
Modified
2024-12-19 09:05
Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
media: stk1160: fix bounds checking in stk1160_copy_video()
The subtract in this condition is reversed. The ->length is the length
of the buffer. The ->bytesused is how many bytes we have copied thus
far. When the condition is reversed that means the result of the
subtraction is always negative but since it's unsigned then the result
is a very high positive value. That means the overflow check is never
true.
Additionally, the ->bytesused doesn't actually work for this purpose
because we're not writing to "buf->mem + buf->bytesused". Instead, the
math to calculate the destination where we are writing is a bit
involved. You calculate the number of full lines already written,
multiply by two, skip a line if necessary so that we start on an odd
numbered line, and add the offset into the line.
To fix this buffer overflow, just take the actual destination where we
are writing, if the offset is already out of bounds print an error and
return. Otherwise, write up to buf->length bytes.
References
Impacted products
| Vendor | Product | Version | |||||
|---|---|---|---|---|---|---|---|
| ▼ | Linux | Linux |
Version: 9cb2173e6ea8f2948bd1367c93083a2500fcf08f Version: 9cb2173e6ea8f2948bd1367c93083a2500fcf08f Version: 9cb2173e6ea8f2948bd1367c93083a2500fcf08f Version: 9cb2173e6ea8f2948bd1367c93083a2500fcf08f Version: 9cb2173e6ea8f2948bd1367c93083a2500fcf08f Version: 9cb2173e6ea8f2948bd1367c93083a2500fcf08f Version: 9cb2173e6ea8f2948bd1367c93083a2500fcf08f Version: 9cb2173e6ea8f2948bd1367c93083a2500fcf08f |
||||
|
|||||||
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cve-2024-38388
Vulnerability from cvelistv5
Published
2024-06-21 10:18
Modified
2024-12-19 09:03
Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
ALSA: hda/cs_dsp_ctl: Use private_free for control cleanup
Use the control private_free callback to free the associated data
block. This ensures that the memory won't leak, whatever way the
control gets destroyed.
The original implementation didn't actually remove the ALSA
controls in hda_cs_dsp_control_remove(). It only freed the internal
tracking structure. This meant it was possible to remove/unload the
amp driver while leaving its ALSA controls still present in the
soundcard. Obviously attempting to access them could cause segfaults
or at least dereferencing stale pointers.
References
Impacted products
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cve-2024-36489
Vulnerability from cvelistv5
Published
2024-06-21 10:18
Modified
2024-12-19 09:01
Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
tls: fix missing memory barrier in tls_init
In tls_init(), a write memory barrier is missing, and store-store
reordering may cause NULL dereference in tls_{setsockopt,getsockopt}.
CPU0 CPU1
----- -----
// In tls_init()
// In tls_ctx_create()
ctx = kzalloc()
ctx->sk_proto = READ_ONCE(sk->sk_prot) -(1)
// In update_sk_prot()
WRITE_ONCE(sk->sk_prot, tls_prots) -(2)
// In sock_common_setsockopt()
READ_ONCE(sk->sk_prot)->setsockopt()
// In tls_{setsockopt,getsockopt}()
ctx->sk_proto->setsockopt() -(3)
In the above scenario, when (1) and (2) are reordered, (3) can observe
the NULL value of ctx->sk_proto, causing NULL dereference.
To fix it, we rely on rcu_assign_pointer() which implies the release
barrier semantic. By moving rcu_assign_pointer() after ctx->sk_proto is
initialized, we can ensure that ctx->sk_proto are visible when
changing sk->sk_prot.
References
Impacted products
| Vendor | Product | Version | |||||
|---|---|---|---|---|---|---|---|
| ▼ | Linux | Linux |
Version: d5bee7374b68de3c44586d46e9e61ffc97a1e886 Version: d5bee7374b68de3c44586d46e9e61ffc97a1e886 Version: d5bee7374b68de3c44586d46e9e61ffc97a1e886 Version: d5bee7374b68de3c44586d46e9e61ffc97a1e886 Version: d5bee7374b68de3c44586d46e9e61ffc97a1e886 Version: d5bee7374b68de3c44586d46e9e61ffc97a1e886 |
||||
|
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cve-2024-38391
Vulnerability from cvelistv5
This CVE ID has been rejected or withdrawn by its CVE Numbering Authority.
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cve-2024-37353
Vulnerability from cvelistv5
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cve-2024-38381
Vulnerability from cvelistv5
Published
2024-06-21 10:18
Modified
2024-12-19 09:03
Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
nfc: nci: Fix uninit-value in nci_rx_work
syzbot reported the following uninit-value access issue [1]
nci_rx_work() parses received packet from ndev->rx_q. It should be
validated header size, payload size and total packet size before
processing the packet. If an invalid packet is detected, it should be
silently discarded.
References
Impacted products
| Vendor | Product | Version | |||||
|---|---|---|---|---|---|---|---|
| ▼ | Linux | Linux |
Version: 11387b2effbb55f58dc2111ef4b4b896f2756240 Version: 03fe259649a551d336a7f20919b641ea100e3fff Version: 755e53bbc61bc1aff90eafa64c8c2464fd3dfa3c Version: ac68d9fa09e410fa3ed20fb721d56aa558695e16 Version: b51ec7fc9f877ef869c01d3ea6f18f6a64e831a7 Version: a946ebee45b09294c8b0b0e77410b763c4d2817a Version: d24b03535e5eb82e025219c2f632b485409c898f Version: d24b03535e5eb82e025219c2f632b485409c898f |
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cve-2024-31076
Vulnerability from cvelistv5
Published
2024-06-21 10:18
Modified
2024-12-19 08:54
Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
genirq/cpuhotplug, x86/vector: Prevent vector leak during CPU offline
The absence of IRQD_MOVE_PCNTXT prevents immediate effectiveness of
interrupt affinity reconfiguration via procfs. Instead, the change is
deferred until the next instance of the interrupt being triggered on the
original CPU.
When the interrupt next triggers on the original CPU, the new affinity is
enforced within __irq_move_irq(). A vector is allocated from the new CPU,
but the old vector on the original CPU remains and is not immediately
reclaimed. Instead, apicd->move_in_progress is flagged, and the reclaiming
process is delayed until the next trigger of the interrupt on the new CPU.
Upon the subsequent triggering of the interrupt on the new CPU,
irq_complete_move() adds a task to the old CPU's vector_cleanup list if it
remains online. Subsequently, the timer on the old CPU iterates over its
vector_cleanup list, reclaiming old vectors.
However, a rare scenario arises if the old CPU is outgoing before the
interrupt triggers again on the new CPU.
In that case irq_force_complete_move() is not invoked on the outgoing CPU
to reclaim the old apicd->prev_vector because the interrupt isn't currently
affine to the outgoing CPU, and irq_needs_fixup() returns false. Even
though __vector_schedule_cleanup() is later called on the new CPU, it
doesn't reclaim apicd->prev_vector; instead, it simply resets both
apicd->move_in_progress and apicd->prev_vector to 0.
As a result, the vector remains unreclaimed in vector_matrix, leading to a
CPU vector leak.
To address this issue, move the invocation of irq_force_complete_move()
before the irq_needs_fixup() call to reclaim apicd->prev_vector, if the
interrupt is currently or used to be affine to the outgoing CPU.
Additionally, reclaim the vector in __vector_schedule_cleanup() as well,
following a warning message, although theoretically it should never see
apicd->move_in_progress with apicd->prev_cpu pointing to an offline CPU.
References
Impacted products
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| ▼ | Linux | Linux |
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cve-2024-37356
Vulnerability from cvelistv5
Published
2024-06-21 10:18
Modified
2024-12-19 09:03
Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
tcp: Fix shift-out-of-bounds in dctcp_update_alpha().
In dctcp_update_alpha(), we use a module parameter dctcp_shift_g
as follows:
alpha -= min_not_zero(alpha, alpha >> dctcp_shift_g);
...
delivered_ce <<= (10 - dctcp_shift_g);
It seems syzkaller started fuzzing module parameters and triggered
shift-out-of-bounds [0] by setting 100 to dctcp_shift_g:
memcpy((void*)0x20000080,
"/sys/module/tcp_dctcp/parameters/dctcp_shift_g\000", 47);
res = syscall(__NR_openat, /*fd=*/0xffffffffffffff9cul, /*file=*/0x20000080ul,
/*flags=*/2ul, /*mode=*/0ul);
memcpy((void*)0x20000000, "100\000", 4);
syscall(__NR_write, /*fd=*/r[0], /*val=*/0x20000000ul, /*len=*/4ul);
Let's limit the max value of dctcp_shift_g by param_set_uint_minmax().
With this patch:
# echo 10 > /sys/module/tcp_dctcp/parameters/dctcp_shift_g
# cat /sys/module/tcp_dctcp/parameters/dctcp_shift_g
10
# echo 11 > /sys/module/tcp_dctcp/parameters/dctcp_shift_g
-bash: echo: write error: Invalid argument
[0]:
UBSAN: shift-out-of-bounds in net/ipv4/tcp_dctcp.c:143:12
shift exponent 100 is too large for 32-bit type 'u32' (aka 'unsigned int')
CPU: 0 PID: 8083 Comm: syz-executor345 Not tainted 6.9.0-05151-g1b294a1f3561 #2
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS
1.13.0-1ubuntu1.1 04/01/2014
Call Trace:
<TASK>
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x201/0x300 lib/dump_stack.c:114
ubsan_epilogue lib/ubsan.c:231 [inline]
__ubsan_handle_shift_out_of_bounds+0x346/0x3a0 lib/ubsan.c:468
dctcp_update_alpha+0x540/0x570 net/ipv4/tcp_dctcp.c:143
tcp_in_ack_event net/ipv4/tcp_input.c:3802 [inline]
tcp_ack+0x17b1/0x3bc0 net/ipv4/tcp_input.c:3948
tcp_rcv_state_process+0x57a/0x2290 net/ipv4/tcp_input.c:6711
tcp_v4_do_rcv+0x764/0xc40 net/ipv4/tcp_ipv4.c:1937
sk_backlog_rcv include/net/sock.h:1106 [inline]
__release_sock+0x20f/0x350 net/core/sock.c:2983
release_sock+0x61/0x1f0 net/core/sock.c:3549
mptcp_subflow_shutdown+0x3d0/0x620 net/mptcp/protocol.c:2907
mptcp_check_send_data_fin+0x225/0x410 net/mptcp/protocol.c:2976
__mptcp_close+0x238/0xad0 net/mptcp/protocol.c:3072
mptcp_close+0x2a/0x1a0 net/mptcp/protocol.c:3127
inet_release+0x190/0x1f0 net/ipv4/af_inet.c:437
__sock_release net/socket.c:659 [inline]
sock_close+0xc0/0x240 net/socket.c:1421
__fput+0x41b/0x890 fs/file_table.c:422
task_work_run+0x23b/0x300 kernel/task_work.c:180
exit_task_work include/linux/task_work.h:38 [inline]
do_exit+0x9c8/0x2540 kernel/exit.c:878
do_group_exit+0x201/0x2b0 kernel/exit.c:1027
__do_sys_exit_group kernel/exit.c:1038 [inline]
__se_sys_exit_group kernel/exit.c:1036 [inline]
__x64_sys_exit_group+0x3f/0x40 kernel/exit.c:1036
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xe4/0x240 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x67/0x6f
RIP: 0033:0x7f6c2b5005b6
Code: Unable to access opcode bytes at 0x7f6c2b50058c.
RSP: 002b:00007ffe883eb948 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 00007f6c2b5862f0 RCX: 00007f6c2b5005b6
RDX: 0000000000000001 RSI: 000000000000003c RDI: 0000000000000001
RBP: 0000000000000001 R08: 00000000000000e7 R09: ffffffffffffffc0
R10: 0000000000000006 R11: 0000000000000246 R12: 00007f6c2b5862f0
R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001
</TASK>
References
Impacted products
| Vendor | Product | Version | |||||
|---|---|---|---|---|---|---|---|
| ▼ | Linux | Linux |
Version: e3118e8359bb7c59555aca60c725106e6d78c5ce Version: e3118e8359bb7c59555aca60c725106e6d78c5ce Version: e3118e8359bb7c59555aca60c725106e6d78c5ce Version: e3118e8359bb7c59555aca60c725106e6d78c5ce Version: e3118e8359bb7c59555aca60c725106e6d78c5ce Version: e3118e8359bb7c59555aca60c725106e6d78c5ce Version: e3118e8359bb7c59555aca60c725106e6d78c5ce Version: e3118e8359bb7c59555aca60c725106e6d78c5ce |
||||
|
|||||||
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\ntcp: Fix shift-out-of-bounds in dctcp_update_alpha().\n\nIn dctcp_update_alpha(), we use a module parameter dctcp_shift_g\nas follows:\n\n alpha -= min_not_zero(alpha, alpha \u003e\u003e dctcp_shift_g);\n ...\n delivered_ce \u003c\u003c= (10 - dctcp_shift_g);\n\nIt seems syzkaller started fuzzing module parameters and triggered\nshift-out-of-bounds [0] by setting 100 to dctcp_shift_g:\n\n memcpy((void*)0x20000080,\n \"/sys/module/tcp_dctcp/parameters/dctcp_shift_g\\000\", 47);\n res = syscall(__NR_openat, /*fd=*/0xffffffffffffff9cul, /*file=*/0x20000080ul,\n /*flags=*/2ul, /*mode=*/0ul);\n memcpy((void*)0x20000000, \"100\\000\", 4);\n syscall(__NR_write, /*fd=*/r[0], /*val=*/0x20000000ul, /*len=*/4ul);\n\nLet\u0027s limit the max value of dctcp_shift_g by param_set_uint_minmax().\n\nWith this patch:\n\n # echo 10 \u003e /sys/module/tcp_dctcp/parameters/dctcp_shift_g\n # cat /sys/module/tcp_dctcp/parameters/dctcp_shift_g\n 10\n # echo 11 \u003e /sys/module/tcp_dctcp/parameters/dctcp_shift_g\n -bash: echo: write error: Invalid argument\n\n[0]:\nUBSAN: shift-out-of-bounds in net/ipv4/tcp_dctcp.c:143:12\nshift exponent 100 is too large for 32-bit type \u0027u32\u0027 (aka \u0027unsigned int\u0027)\nCPU: 0 PID: 8083 Comm: syz-executor345 Not tainted 6.9.0-05151-g1b294a1f3561 #2\nHardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS\n1.13.0-1ubuntu1.1 04/01/2014\nCall Trace:\n \u003cTASK\u003e\n __dump_stack lib/dump_stack.c:88 [inline]\n dump_stack_lvl+0x201/0x300 lib/dump_stack.c:114\n ubsan_epilogue lib/ubsan.c:231 [inline]\n __ubsan_handle_shift_out_of_bounds+0x346/0x3a0 lib/ubsan.c:468\n dctcp_update_alpha+0x540/0x570 net/ipv4/tcp_dctcp.c:143\n tcp_in_ack_event net/ipv4/tcp_input.c:3802 [inline]\n tcp_ack+0x17b1/0x3bc0 net/ipv4/tcp_input.c:3948\n tcp_rcv_state_process+0x57a/0x2290 net/ipv4/tcp_input.c:6711\n tcp_v4_do_rcv+0x764/0xc40 net/ipv4/tcp_ipv4.c:1937\n sk_backlog_rcv include/net/sock.h:1106 [inline]\n __release_sock+0x20f/0x350 net/core/sock.c:2983\n release_sock+0x61/0x1f0 net/core/sock.c:3549\n mptcp_subflow_shutdown+0x3d0/0x620 net/mptcp/protocol.c:2907\n mptcp_check_send_data_fin+0x225/0x410 net/mptcp/protocol.c:2976\n __mptcp_close+0x238/0xad0 net/mptcp/protocol.c:3072\n mptcp_close+0x2a/0x1a0 net/mptcp/protocol.c:3127\n inet_release+0x190/0x1f0 net/ipv4/af_inet.c:437\n __sock_release net/socket.c:659 [inline]\n sock_close+0xc0/0x240 net/socket.c:1421\n __fput+0x41b/0x890 fs/file_table.c:422\n task_work_run+0x23b/0x300 kernel/task_work.c:180\n exit_task_work include/linux/task_work.h:38 [inline]\n do_exit+0x9c8/0x2540 kernel/exit.c:878\n do_group_exit+0x201/0x2b0 kernel/exit.c:1027\n __do_sys_exit_group kernel/exit.c:1038 [inline]\n __se_sys_exit_group kernel/exit.c:1036 [inline]\n __x64_sys_exit_group+0x3f/0x40 kernel/exit.c:1036\n do_syscall_x64 arch/x86/entry/common.c:52 [inline]\n do_syscall_64+0xe4/0x240 arch/x86/entry/common.c:83\n entry_SYSCALL_64_after_hwframe+0x67/0x6f\nRIP: 0033:0x7f6c2b5005b6\nCode: Unable to access opcode bytes at 0x7f6c2b50058c.\nRSP: 002b:00007ffe883eb948 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7\nRAX: ffffffffffffffda RBX: 00007f6c2b5862f0 RCX: 00007f6c2b5005b6\nRDX: 0000000000000001 RSI: 000000000000003c RDI: 0000000000000001\nRBP: 0000000000000001 R08: 00000000000000e7 R09: ffffffffffffffc0\nR10: 0000000000000006 R11: 0000000000000246 R12: 00007f6c2b5862f0\nR13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001\n \u003c/TASK\u003e"
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cve-2024-38390
Vulnerability from cvelistv5
Published
2024-06-21 10:18
Modified
2024-12-19 09:03
Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
drm/msm/a6xx: Avoid a nullptr dereference when speedbin setting fails
Calling a6xx_destroy() before adreno_gpu_init() leads to a null pointer
dereference on:
msm_gpu_cleanup() : platform_set_drvdata(gpu->pdev, NULL);
as gpu->pdev is only assigned in:
a6xx_gpu_init()
|_ adreno_gpu_init
|_ msm_gpu_init()
Instead of relying on handwavy null checks down the cleanup chain,
explicitly de-allocate the LLC data and free a6xx_gpu instead.
Patchwork: https://patchwork.freedesktop.org/patch/588919/
References
Impacted products
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cve-2023-52884
Vulnerability from cvelistv5
Published
2024-06-21 10:18
Modified
2024-12-19 08:27
Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
Input: cyapa - add missing input core locking to suspend/resume functions
Grab input->mutex during suspend/resume functions like it is done in
other input drivers. This fixes the following warning during system
suspend/resume cycle on Samsung Exynos5250-based Snow Chromebook:
------------[ cut here ]------------
WARNING: CPU: 1 PID: 1680 at drivers/input/input.c:2291 input_device_enabled+0x68/0x6c
Modules linked in: ...
CPU: 1 PID: 1680 Comm: kworker/u4:12 Tainted: G W 6.6.0-rc5-next-20231009 #14109
Hardware name: Samsung Exynos (Flattened Device Tree)
Workqueue: events_unbound async_run_entry_fn
unwind_backtrace from show_stack+0x10/0x14
show_stack from dump_stack_lvl+0x58/0x70
dump_stack_lvl from __warn+0x1a8/0x1cc
__warn from warn_slowpath_fmt+0x18c/0x1b4
warn_slowpath_fmt from input_device_enabled+0x68/0x6c
input_device_enabled from cyapa_gen3_set_power_mode+0x13c/0x1dc
cyapa_gen3_set_power_mode from cyapa_reinitialize+0x10c/0x15c
cyapa_reinitialize from cyapa_resume+0x48/0x98
cyapa_resume from dpm_run_callback+0x90/0x298
dpm_run_callback from device_resume+0xb4/0x258
device_resume from async_resume+0x20/0x64
async_resume from async_run_entry_fn+0x40/0x15c
async_run_entry_fn from process_scheduled_works+0xbc/0x6a8
process_scheduled_works from worker_thread+0x188/0x454
worker_thread from kthread+0x108/0x140
kthread from ret_from_fork+0x14/0x28
Exception stack(0xf1625fb0 to 0xf1625ff8)
...
---[ end trace 0000000000000000 ]---
...
------------[ cut here ]------------
WARNING: CPU: 1 PID: 1680 at drivers/input/input.c:2291 input_device_enabled+0x68/0x6c
Modules linked in: ...
CPU: 1 PID: 1680 Comm: kworker/u4:12 Tainted: G W 6.6.0-rc5-next-20231009 #14109
Hardware name: Samsung Exynos (Flattened Device Tree)
Workqueue: events_unbound async_run_entry_fn
unwind_backtrace from show_stack+0x10/0x14
show_stack from dump_stack_lvl+0x58/0x70
dump_stack_lvl from __warn+0x1a8/0x1cc
__warn from warn_slowpath_fmt+0x18c/0x1b4
warn_slowpath_fmt from input_device_enabled+0x68/0x6c
input_device_enabled from cyapa_gen3_set_power_mode+0x13c/0x1dc
cyapa_gen3_set_power_mode from cyapa_reinitialize+0x10c/0x15c
cyapa_reinitialize from cyapa_resume+0x48/0x98
cyapa_resume from dpm_run_callback+0x90/0x298
dpm_run_callback from device_resume+0xb4/0x258
device_resume from async_resume+0x20/0x64
async_resume from async_run_entry_fn+0x40/0x15c
async_run_entry_fn from process_scheduled_works+0xbc/0x6a8
process_scheduled_works from worker_thread+0x188/0x454
worker_thread from kthread+0x108/0x140
kthread from ret_from_fork+0x14/0x28
Exception stack(0xf1625fb0 to 0xf1625ff8)
...
---[ end trace 0000000000000000 ]---
References
Impacted products
| Vendor | Product | Version | |||||
|---|---|---|---|---|---|---|---|
| ▼ | Linux | Linux |
Version: d69f0a43c677e8afc67a222e1e7b51b9acc69cd3 Version: d69f0a43c677e8afc67a222e1e7b51b9acc69cd3 Version: d69f0a43c677e8afc67a222e1e7b51b9acc69cd3 Version: d69f0a43c677e8afc67a222e1e7b51b9acc69cd3 Version: d69f0a43c677e8afc67a222e1e7b51b9acc69cd3 |
||||
|
|||||||
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Loading…
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.