Vulnerability-Lookup

alsa-2026:43307

Vulnerability from osv_almalinux

Published

2026-07-22 00:00

Modified

2026-07-24 10:32

Summary

Important: kernel security, bug fix, and enhancement update

Details

The kernel packages contain the Linux kernel, the core of any Linux operating system.

Security Fix(es):

kernel: crypto: af_alg - zero initialize memory allocated via sock_kmalloc (CVE-2025-71113)
kernel: scsi: core: Wake up the error handler when final completions race against each other (CVE-2026-23110)
kernel: net: ipv6: fix NOREF dst use in seg6 and rpl lwtunnels (CVE-2026-46099)
kernel: fanotify: fix false positive on permission events (CVE-2026-46150)
kernel: drm: Set old handle to NULL before prime swap in change_handle (CVE-2026-46215)
kernel: Bluetooth: l2cap: Add missing chan lock in l2cap_ecred_reconf_rsp (CVE-2026-53071)

Bug Fix(es) and Enhancement(s):

[AlmaLinux9] tools/lib/perf/Makefile: libperf includes appended after CFLAGS causes parallel build race, breaking kernel builds [almalinux-9.8.z] (JIRA:AlmaLinux-183980)
[AlmaLinux-9.8.z]: mlx5: include bug fixes (JIRA:AlmaLinux-188121)
dpll: fix NULL pointer dereference in dpll_msg_add_pin_ref_sync() [almalinux-9.8.z] (JIRA:AlmaLinux-212061)

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.

References

URL

Type

	https://access.redhat.com/errata/RHSA-2026:43307	ADVISORY
	https://access.redhat.com/security/cve/CVE-2025-71113	REPORT
	https://access.redhat.com/security/cve/CVE-2026-23110	REPORT
	https://access.redhat.com/security/cve/CVE-2026-46150	REPORT
	https://access.redhat.com/security/cve/CVE-2026-46215	REPORT
	https://access.redhat.com/security/cve/CVE-2026-53071	REPORT
	https://bugzilla.redhat.com/2429611	REPORT
	https://bugzilla.redhat.com/2436755	REPORT
	https://bugzilla.redhat.com/2481972	REPORT
	https://bugzilla.redhat.com/2482612	REPORT
	https://bugzilla.redhat.com/2482615	REPORT
	https://bugzilla.redhat.com/2492458	REPORT
	https://errata.almalinux.org/9/ALSA-2026-43307.html	ADVISORY

JSON

To clipboard

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  "details": "The kernel packages contain the Linux kernel, the core of any Linux operating system.  \n\nSecurity Fix(es):  \n\n  * kernel: crypto: af_alg - zero initialize memory allocated via sock_kmalloc (CVE-2025-71113)\n  * kernel: scsi: core: Wake up the error handler when final completions race against each other (CVE-2026-23110)\n  * kernel: net: ipv6: fix NOREF dst use in seg6 and rpl lwtunnels (CVE-2026-46099)\n  * kernel: fanotify: fix false positive on permission events (CVE-2026-46150)\n  * kernel: drm: Set old handle to NULL before prime swap in change_handle (CVE-2026-46215)\n  * kernel: Bluetooth: l2cap: Add missing chan lock in l2cap_ecred_reconf_rsp (CVE-2026-53071)\n\n\nBug Fix(es) and Enhancement(s):  \n\n  * [AlmaLinux9] tools/lib/perf/Makefile: libperf includes appended after CFLAGS causes parallel build race, breaking kernel builds [almalinux-9.8.z] (JIRA:AlmaLinux-183980)\n  * [AlmaLinux-9.8.z]: mlx5: include bug fixes (JIRA:AlmaLinux-188121)\n  * dpll: fix NULL pointer dereference in dpll_msg_add_pin_ref_sync() [almalinux-9.8.z] (JIRA:AlmaLinux-212061)\n\n\nFor 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.\n",
  "id": "ALSA-2026:43307",
  "modified": "2026-07-24T10:32:04Z",
  "published": "2026-07-22T00:00:00Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://access.redhat.com/errata/RHSA-2026:43307"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2025-71113"
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      "url": "https://access.redhat.com/security/cve/CVE-2026-23110"
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      "url": "https://bugzilla.redhat.com/2436755"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2481972"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2482612"
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    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2482615"
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    {
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      "url": "https://bugzilla.redhat.com/2492458"
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    "CVE-2026-23110",
    "CVE-2026-46099",
    "CVE-2026-46150",
    "CVE-2026-46215",
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  "summary": "Important: kernel security, bug fix, and enhancement update"
}

CVE-2025-71113 (GCVE-0-2025-71113)

Vulnerability from cvelistv5 – Published: 2026-01-14 15:05 – Updated: 2026-07-14 12:44

Title

crypto: af_alg - zero initialize memory allocated via sock_kmalloc

Summary

In the Linux kernel, the following vulnerability has been resolved: crypto: af_alg - zero initialize memory allocated via sock_kmalloc Several crypto user API contexts and requests allocated with sock_kmalloc() were left uninitialized, relying on callers to set fields explicitly. This resulted in the use of uninitialized data in certain error paths or when new fields are added in the future. The ACVP patches also contain two user-space interface files: algif_kpp.c and algif_akcipher.c. These too rely on proper initialization of their context structures. A particular issue has been observed with the newly added 'inflight' variable introduced in af_alg_ctx by commit: 67b164a871af ("crypto: af_alg - Disallow multiple in-flight AIO requests") Because the context is not memset to zero after allocation, the inflight variable has contained garbage values. As a result, af_alg_alloc_areq() has incorrectly returned -EBUSY randomly when the garbage value was interpreted as true: https://github.com/gregkh/linux/blame/master/crypto/af_alg.c#L1209 The check directly tests ctx->inflight without explicitly comparing against true/false. Since inflight is only ever set to true or false later, an uninitialized value has triggered -EBUSY failures. Zero-initializing memory allocated with sock_kmalloc() ensures inflight and other fields start in a known state, removing random issues caused by uninitialized data.

Severity

No CVSS data available.

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator (v2.0.3)

Assigner

Linux

References

8 references

URL	Tags
https://git.kernel.org/stable/c/e125c8e346e4eb7b3…
https://git.kernel.org/stable/c/543bf004e4eafbb30…
https://git.kernel.org/stable/c/f81244fd6b14fecfa…
https://git.kernel.org/stable/c/84238876e3b3b262c…
https://git.kernel.org/stable/c/5a4b65523608974a8…
https://git.kernel.org/stable/c/51a5ab36084f3251e…
https://git.kernel.org/stable/c/6f6e309328d53a10c…
https://cert-portal.siemens.com/productcert/html/…

Impacted products

5 products

Vendor	Product	Version
Linux	Linux	Affected: fe869cdb89c95d060c77eea20204d6c91f233b53 , < e125c8e346e4eb7b3e854c862fcb4392bc13ddba (git) Affected: fe869cdb89c95d060c77eea20204d6c91f233b53 , < 543bf004e4eafbb302b1e6c78570d425d2ca13a0 (git) Affected: fe869cdb89c95d060c77eea20204d6c91f233b53 , < f81244fd6b14fecfa93b66b6bb1d59f96554e550 (git) Affected: fe869cdb89c95d060c77eea20204d6c91f233b53 , < 84238876e3b3b262cf62d5f4d1338e983fb27010 (git) Affected: fe869cdb89c95d060c77eea20204d6c91f233b53 , < 5a4b65523608974a81edbe386f8a667a3e10c726 (git) Affected: fe869cdb89c95d060c77eea20204d6c91f233b53 , < 51a5ab36084f3251ef87eda3e6a6236f6488925e (git) Affected: fe869cdb89c95d060c77eea20204d6c91f233b53 , < 6f6e309328d53a10c0fe1f77dec2db73373179b6 (git)
Linux	Linux	Affected: 2.6.38 Unaffected: 0 , < 2.6.38 (semver) Unaffected: 5.10.248 , ≤ 5.10.* (semver) Unaffected: 5.15.198 , ≤ 5.15.* (semver) Unaffected: 6.1.160 , ≤ 6.1.* (semver) Unaffected: 6.6.120 , ≤ 6.6.* (semver) Unaffected: 6.12.64 , ≤ 6.12.* (semver) Unaffected: 6.18.3 , ≤ 6.18.* (semver) Unaffected: 6.19 , ≤ * (original_commit_for_fix)
Siemens	SIMATIC S7-1500 CPU 1518-4 PN/DP MFP	Affected: V3.1.6 , < * (custom)
Siemens	SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP	Affected: V3.1.6 , < * (custom)
Siemens	SIPLUS S7-1500 CPU 1518-4 PN/DP MFP	Affected: V3.1.6 , < * (custom)

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CVE-2026-23110 (GCVE-0-2026-23110)

Vulnerability from cvelistv5 – Published: 2026-02-04 16:08 – Updated: 2026-07-14 12:46

Title

scsi: core: Wake up the error handler when final completions race against each other

Summary

In the Linux kernel, the following vulnerability has been resolved: scsi: core: Wake up the error handler when final completions race against each other The fragile ordering between marking commands completed or failed so that the error handler only wakes when the last running command completes or times out has race conditions. These race conditions can cause the SCSI layer to fail to wake the error handler, leaving I/O through the SCSI host stuck as the error state cannot advance. First, there is an memory ordering issue within scsi_dec_host_busy(). The write which clears SCMD_STATE_INFLIGHT may be reordered with reads counting in scsi_host_busy(). While the local CPU will see its own write, reordering can allow other CPUs in scsi_dec_host_busy() or scsi_eh_inc_host_failed() to see a raised busy count, causing no CPU to see a host busy equal to the host_failed count. This race condition can be prevented with a memory barrier on the error path to force the write to be visible before counting host busy commands. Second, there is a general ordering issue with scsi_eh_inc_host_failed(). By counting busy commands before incrementing host_failed, it can race with a final command in scsi_dec_host_busy(), such that scsi_dec_host_busy() does not see host_failed incremented but scsi_eh_inc_host_failed() counts busy commands before SCMD_STATE_INFLIGHT is cleared by scsi_dec_host_busy(), resulting in neither waking the error handler task. This needs the call to scsi_host_busy() to be moved after host_failed is incremented to close the race condition.

Severity

No CVSS data available.

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator (v2.0.3)

Assigner

Linux

References

7 references

URL	Tags
https://git.kernel.org/stable/c/cc872e35c0df80062…
https://git.kernel.org/stable/c/6d9a367be35610196…
https://git.kernel.org/stable/c/9fdc6f28d5e81350a…
https://git.kernel.org/stable/c/64ae21b9c4f0c7e60…
https://git.kernel.org/stable/c/219f009ebfd1ef397…
https://git.kernel.org/stable/c/fe2f8ad6f0999db3b…
https://cert-portal.siemens.com/productcert/html/…

Impacted products

5 products

Vendor	Product	Version
Linux	Linux	Affected: 6eb045e092efefafc6687409a6fa6d1dabf0fb69 , < cc872e35c0df80062abc71268d690a2f749e542e (git) Affected: 6eb045e092efefafc6687409a6fa6d1dabf0fb69 , < 6d9a367be356101963c249ebf10ea10b32886607 (git) Affected: 6eb045e092efefafc6687409a6fa6d1dabf0fb69 , < 9fdc6f28d5e81350ab1d2cac8389062bd09e61e1 (git) Affected: 6eb045e092efefafc6687409a6fa6d1dabf0fb69 , < 64ae21b9c4f0c7e60cf47a53fa7ab68852079ef0 (git) Affected: 6eb045e092efefafc6687409a6fa6d1dabf0fb69 , < 219f009ebfd1ef3970888ee9eef4c8a06357f862 (git) Affected: 6eb045e092efefafc6687409a6fa6d1dabf0fb69 , < fe2f8ad6f0999db3b318359a01ee0108c703a8c3 (git)
Linux	Linux	Affected: 5.5 Unaffected: 0 , < 5.5 (semver) Unaffected: 5.10.249 , ≤ 5.10.* (semver) Unaffected: 6.1.162 , ≤ 6.1.* (semver) Unaffected: 6.6.122 , ≤ 6.6.* (semver) Unaffected: 6.12.68 , ≤ 6.12.* (semver) Unaffected: 6.18.8 , ≤ 6.18.* (semver) Unaffected: 6.19 , ≤ * (original_commit_for_fix)
Siemens	SIMATIC S7-1500 CPU 1518-4 PN/DP MFP	Affected: V3.1.6 , < * (custom)
Siemens	SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP	Affected: V3.1.6 , < * (custom)
Siemens	SIPLUS S7-1500 CPU 1518-4 PN/DP MFP	Affected: V3.1.6 , < * (custom)

Show details on NVD website

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CVE-2026-46099 (GCVE-0-2026-46099)

Vulnerability from cvelistv5 – Published: 2026-05-27 12:59 – Updated: 2026-07-15 00:51

Title

net: ipv6: fix NOREF dst use in seg6 and rpl lwtunnels

Summary

In the Linux kernel, the following vulnerability has been resolved: net: ipv6: fix NOREF dst use in seg6 and rpl lwtunnels seg6_input_core() and rpl_input() call ip6_route_input() which sets a NOREF dst on the skb, then pass it to dst_cache_set_ip6() invoking dst_hold() unconditionally. On PREEMPT_RT, ksoftirqd is preemptible and a higher-priority task can release the underlying pcpu_rt between the lookup and the caching through a concurrent FIB lookup on a shared nexthop. Simplified race sequence: ksoftirqd/X higher-prio task (same CPU X) ----------- -------------------------------- seg6_input_core(,skb)/rpl_input(skb) dst_cache_get() -> miss ip6_route_input(skb) -> ip6_pol_route(,skb,flags) [RT6_LOOKUP_F_DST_NOREF in flags] -> FIB lookup resolves fib6_nh [nhid=N route] -> rt6_make_pcpu_route() [creates pcpu_rt, refcount=1] pcpu_rt->sernum = fib6_sernum [fib6_sernum=W] -> cmpxchg(fib6_nh.rt6i_pcpu, NULL, pcpu_rt) [slot was empty, store succeeds] -> skb_dst_set_noref(skb, dst) [dst is pcpu_rt, refcount still 1] rt_genid_bump_ipv6() -> bumps fib6_sernum [fib6_sernum from W to Z] ip6_route_output() -> ip6_pol_route() -> FIB lookup resolves fib6_nh [nhid=N] -> rt6_get_pcpu_route() pcpu_rt->sernum != fib6_sernum [W <> Z, stale] -> prev = xchg(rt6i_pcpu, NULL) -> dst_release(prev) [prev is pcpu_rt, refcount 1->0, dead] dst = skb_dst(skb) [dst is the dead pcpu_rt] dst_cache_set_ip6(dst) -> dst_hold() on dead dst -> WARN / use-after-free For the race to occur, ksoftirqd must be preemptible (PREEMPT_RT without PREEMPT_RT_NEEDS_BH_LOCK) and a concurrent task must be able to release the pcpu_rt. Shared nexthop objects provide such a path, as two routes pointing to the same nhid share the same fib6_nh and its rt6i_pcpu entry. Fix seg6_input_core() and rpl_input() by calling skb_dst_force() after ip6_route_input() to force the NOREF dst into a refcounted one before caching. The output path is not affected as ip6_route_output() already returns a refcounted dst.

Severity

8.1 (High)


                        
                          CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

7 (High)


                        
                          CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

CWE

CWE-911 - Improper Update of Reference Count

Assigner

Linux

References

10 references

URL	Tags
https://git.kernel.org/stable/c/51fef5a7c4d160839…
https://git.kernel.org/stable/c/b258b849a580285a1…
https://git.kernel.org/stable/c/6bd17925bd6866027…
https://git.kernel.org/stable/c/52f9db67f8f35f436…
https://git.kernel.org/stable/c/b778b6d095421619c…
https://git.kernel.org/stable/c/9dd5481f960e337b8…
https://git.kernel.org/stable/c/f9c52a6ba9780bd27…
https://access.redhat.com/security/cve/CVE-2026-46099	vdb-entryx_refsource_REDHAT
https://bugzilla.redhat.com/show_bug.cgi?id=2481972	issue-trackingx_refsource_REDHAT
https://security.access.redhat.com/data/csaf/v2/v…	x_sadp-csaf-vex

Impacted products

7 products

Vendor	Product	Version
Linux	Linux	Affected: af4a2209b1344939eaac11f269c261d347cbc3ee , < 51fef5a7c4d160839199e941929456ba21ddf73c (git) Affected: af4a2209b1344939eaac11f269c261d347cbc3ee , < b258b849a580285a1692e782ebc902b44c884a71 (git) Affected: af4a2209b1344939eaac11f269c261d347cbc3ee , < 6bd17925bd6866027a6555db17905b9fc073d38d (git) Affected: af4a2209b1344939eaac11f269c261d347cbc3ee , < 52f9db67f8f35f436366cf4980b4f0a2583d0ef0 (git) Affected: af4a2209b1344939eaac11f269c261d347cbc3ee , < b778b6d095421619c331fd2d7751143cd5387103 (git) Affected: af4a2209b1344939eaac11f269c261d347cbc3ee , < 9dd5481f960e337b81d7dfe429529495c1c481c0 (git) Affected: af4a2209b1344939eaac11f269c261d347cbc3ee , < f9c52a6ba9780bd27e0bf4c044fd91c13c778b6e (git)
Linux	Linux	Affected: 4.12 Unaffected: 0 , < 4.12 (semver) Unaffected: 5.15.209 , ≤ 5.15.* (semver) Unaffected: 6.1.175 , ≤ 6.1.* (semver) Unaffected: 6.6.140 , ≤ 6.6.* (semver) Unaffected: 6.12.86 , ≤ 6.12.* (semver) Unaffected: 6.18.27 , ≤ 6.18.* (semver) Unaffected: 7.0.4 , ≤ 7.0.* (semver) Unaffected: 7.1 , ≤ * (original_commit_for_fix)
Red Hat	Red Hat Enterprise Linux 10	cpe:/o:redhat:enterprise_linux:10
Red Hat	Red Hat Enterprise Linux 6	cpe:/o:redhat:enterprise_linux:6
Red Hat	Red Hat Enterprise Linux 7	cpe:/o:redhat:enterprise_linux:7
Red Hat	Red Hat Enterprise Linux 8	cpe:/o:redhat:enterprise_linux:8
Red Hat	Red Hat Enterprise Linux 9	cpe:/o:redhat:enterprise_linux:9

Show details on NVD website

JSON

To clipboard

{
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          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: ipv6: fix NOREF dst use in seg6 and rpl lwtunnels\n\nseg6_input_core() and rpl_input() call ip6_route_input() which sets a\nNOREF dst on the skb, then pass it to dst_cache_set_ip6() invoking\ndst_hold() unconditionally.\nOn PREEMPT_RT, ksoftirqd is preemptible and a higher-priority task can\nrelease the underlying pcpu_rt between the lookup and the caching\nthrough a concurrent FIB lookup on a shared nexthop.\nSimplified race sequence:\n\n  ksoftirqd/X                       higher-prio task (same CPU X)\n  -----------                       --------------------------------\n  seg6_input_core(,skb)/rpl_input(skb)\n    dst_cache_get()\n      -\u003e miss\n    ip6_route_input(skb)\n      -\u003e ip6_pol_route(,skb,flags)\n         [RT6_LOOKUP_F_DST_NOREF in flags]\n        -\u003e FIB lookup resolves fib6_nh\n           [nhid=N route]\n        -\u003e rt6_make_pcpu_route()\n           [creates pcpu_rt, refcount=1]\n             pcpu_rt-\u003esernum = fib6_sernum\n             [fib6_sernum=W]\n           -\u003e cmpxchg(fib6_nh.rt6i_pcpu,\n                      NULL, pcpu_rt)\n              [slot was empty, store succeeds]\n      -\u003e skb_dst_set_noref(skb, dst)\n         [dst is pcpu_rt, refcount still 1]\n\n                                    rt_genid_bump_ipv6()\n                                      -\u003e bumps fib6_sernum\n                                         [fib6_sernum from W to Z]\n                                    ip6_route_output()\n                                      -\u003e ip6_pol_route()\n                                        -\u003e FIB lookup resolves fib6_nh\n                                           [nhid=N]\n                                        -\u003e rt6_get_pcpu_route()\n                                             pcpu_rt-\u003esernum != fib6_sernum\n                                             [W \u003c\u003e Z, stale]\n                                          -\u003e prev = xchg(rt6i_pcpu, NULL)\n                                          -\u003e dst_release(prev)\n                                             [prev is pcpu_rt,\n                                              refcount 1-\u003e0, dead]\n\n    dst = skb_dst(skb)\n    [dst is the dead pcpu_rt]\n    dst_cache_set_ip6(dst)\n      -\u003e dst_hold() on dead dst\n      -\u003e WARN / use-after-free\n\nFor the race to occur, ksoftirqd must be preemptible (PREEMPT_RT without\nPREEMPT_RT_NEEDS_BH_LOCK) and a concurrent task must be able to release\nthe pcpu_rt. Shared nexthop objects provide such a path, as two routes\npointing to the same nhid share the same fib6_nh and its rt6i_pcpu\nentry.\n\nFix seg6_input_core() and rpl_input() by calling skb_dst_force() after\nip6_route_input() to force the NOREF dst into a refcounted one before\ncaching.\nThe output path is not affected as ip6_route_output() already returns a\nrefcounted dst."
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CVE-2026-46150 (GCVE-0-2026-46150)

Vulnerability from cvelistv5 – Published: 2026-05-28 09:36 – Updated: 2026-06-14 17:58

Title

fanotify: fix false positive on permission events

Summary

In the Linux kernel, the following vulnerability has been resolved: fanotify: fix false positive on permission events fsnotify_get_mark_safe() may return false for a mark on an unrelated group, which results in bypassing the permission check. Fix by skipping over detached marks that are not in the current group.

Severity

7.1 (High)


                        
                          CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

Assigner

Linux

References

8 references

URL	Tags
https://git.kernel.org/stable/c/a24765332e129c191…
https://git.kernel.org/stable/c/4a7611ad653785fcd…
https://git.kernel.org/stable/c/04bb66be92f48ed13…
https://git.kernel.org/stable/c/895ebbedf88318607…
https://git.kernel.org/stable/c/f130790f1acc8399f…
https://git.kernel.org/stable/c/7baa02b0ae9d17ec5…
https://git.kernel.org/stable/c/b7b24b28c8cd55844…
https://git.kernel.org/stable/c/7746e3bd4cc19b509…

Impacted products

2 products

Vendor	Product	Version
Linux	Linux	Affected: abc77577a669f424c5d0c185b9994f2621c52aa4 , < a24765332e129c1916d5a6615418b75599b8fcdc (git) Affected: abc77577a669f424c5d0c185b9994f2621c52aa4 , < 4a7611ad653785fcdea5ff5f4441e2b7d05b7f11 (git) Affected: abc77577a669f424c5d0c185b9994f2621c52aa4 , < 04bb66be92f48ed13c3faf1139d892df228789bc (git) Affected: abc77577a669f424c5d0c185b9994f2621c52aa4 , < 895ebbedf88318607c24acc0f591c74b165e1d0a (git) Affected: abc77577a669f424c5d0c185b9994f2621c52aa4 , < f130790f1acc8399f32652846c875a251efd040f (git) Affected: abc77577a669f424c5d0c185b9994f2621c52aa4 , < 7baa02b0ae9d17ec5f08836d8ea88ce1927d0678 (git) Affected: abc77577a669f424c5d0c185b9994f2621c52aa4 , < b7b24b28c8cd55844cab908f4f39dded638d5538 (git) Affected: abc77577a669f424c5d0c185b9994f2621c52aa4 , < 7746e3bd4cc19b5092e00d32d676e329bfcb6900 (git)
Linux	Linux	Affected: 4.12 Unaffected: 0 , < 4.12 (semver) Unaffected: 5.10.258 , ≤ 5.10.* (semver) Unaffected: 5.15.209 , ≤ 5.15.* (semver) Unaffected: 6.1.175 , ≤ 6.1.* (semver) Unaffected: 6.6.140 , ≤ 6.6.* (semver) Unaffected: 6.12.88 , ≤ 6.12.* (semver) Unaffected: 6.18.30 , ≤ 6.18.* (semver) Unaffected: 7.0.7 , ≤ 7.0.* (semver) Unaffected: 7.1 , ≤ * (original_commit_for_fix)

Show details on NVD website

JSON

To clipboard

{
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      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "fs/notify/fsnotify.c",
            "fs/notify/mark.c",
            "include/linux/fsnotify_backend.h"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "a24765332e129c1916d5a6615418b75599b8fcdc",
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              "versionType": "git"
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              "versionType": "git"
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CVE-2026-46215 (GCVE-0-2026-46215)

Vulnerability from cvelistv5 – Published: 2026-05-28 09:40 – Updated: 2026-07-10 03:55

Title

drm: Set old handle to NULL before prime swap in change_handle

Summary

In the Linux kernel, the following vulnerability has been resolved: drm: Set old handle to NULL before prime swap in change_handle There was a potential race condition in change_handle. The ioctl briefly had a single object with two idr entries; a concurrent gem_close could delete the object and remove one of the handles while leaving the other one dangling, which could subsequently be dereferenced for a use-after-free. To fix this, do the same dance that gem_close itself does. (f6cd7daecff5 drm: Release driver references to handle before making it available again) First idr_replace the old handle to NULL. Later, if the prime operations are successful, actually close it. create_tail required a similar dance to avoid a similar problem. (bd46cece51a3 drm/gem: Fix race in drm_gem_handle_create_tail()) It idr_allocs the new handle with NULL, then swaps in the correct object later to avoid races. We don't need to do that here, since the only operations that could race are drm_prime, and change_handle holds the prime lock for the entire duration. v2: cleanups of error paths

Severity

7.8 (High)


                        
                          CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

SSVC

Exploitation: poc Automatable: no Technical Impact: total

CISA Coordinator (v2.0.3)

Assigner

Linux

References

4 references

URL	Tags
https://git.kernel.org/stable/c/672464dd53231509c…
https://git.kernel.org/stable/c/61bd96d3e5472c253…
https://git.kernel.org/stable/c/5e28b7b94408897e4…
https://github.com/0xCyberstan/CVE-2026-46215-POC	exploit

Impacted products

2 products

Vendor	Product	Version
Linux	Linux	Affected: 53096728b8910c6916ecc6c46a5abc5c678b58d9 , < 672464dd53231509c9c771110798c56d4660e19e (git) Affected: 53096728b8910c6916ecc6c46a5abc5c678b58d9 , < 61bd96d3e5472c253f9c1ab77608f0c8aaa9d025 (git) Affected: 53096728b8910c6916ecc6c46a5abc5c678b58d9 , < 5e28b7b94408897e41c63477aabc9e1db439bc8c (git)
Linux	Linux	Affected: 6.18 Unaffected: 0 , < 6.18 (semver) Unaffected: 6.18.32 , ≤ 6.18.* (semver) Unaffected: 7.0.9 , ≤ 7.0.* (semver) Unaffected: 7.1 , ≤ * (original_commit_for_fix)

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JSON

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CVE-2026-53071 (GCVE-0-2026-53071)

Vulnerability from cvelistv5 – Published: 2026-06-24 16:30 – Updated: 2026-07-23 12:08

Title

Bluetooth: l2cap: Add missing chan lock in l2cap_ecred_reconf_rsp

Summary

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: l2cap: Add missing chan lock in l2cap_ecred_reconf_rsp l2cap_ecred_reconf_rsp() calls l2cap_chan_del() without holding l2cap_chan_lock(). Every other l2cap_chan_del() caller in the file acquires the lock first. A remote BLE device can send a crafted L2CAP ECRED reconfiguration response to corrupt the channel list while another thread is iterating it. Add l2cap_chan_hold() and l2cap_chan_lock() before l2cap_chan_del(), and l2cap_chan_unlock() and l2cap_chan_put() after, matching the pattern used in l2cap_ecred_conn_rsp() and l2cap_conn_del().

Severity

8.8 (High)


                        
                          CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

7.5 (High)


                        
                          CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

CWE

CWE-416 - Use After Free

Assigner

Linux

References

15 references

URL	Tags
https://git.kernel.org/stable/c/96dca51715d86559e…
https://git.kernel.org/stable/c/330b20ec97916961e…
https://git.kernel.org/stable/c/0ccd75c51f6203740…
https://git.kernel.org/stable/c/77a853aec710b2fdf…
https://git.kernel.org/stable/c/fe1188abdae9b7a81…
https://git.kernel.org/stable/c/dc89961b76f12aff4…
https://git.kernel.org/stable/c/5501d055a1ce3c747…
https://git.kernel.org/stable/c/42776497cdbc9a665…
https://access.redhat.com/security/cve/CVE-2026-53071	vdb-entryx_refsource_REDHAT
https://bugzilla.redhat.com/show_bug.cgi?id=2492458	issue-trackingx_refsource_REDHAT
https://security.access.redhat.com/data/csaf/v2/v…	x_sadp-csaf-vex
https://access.redhat.com/errata/RHSA-2026:42919	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:43307	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:42552	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:42550	vendor-advisoryx_refsource_REDHAT

Impacted products

9 products

Vendor	Product	Version
Linux	Linux	Affected: 15f02b91056253e8cdc592888f431da0731337b8 , < 96dca51715d86559ed6ed8028e5445cecb80f3ae (git) Affected: 15f02b91056253e8cdc592888f431da0731337b8 , < 330b20ec97916961ee0e6c29c06bc0fa7c96e64c (git) Affected: 15f02b91056253e8cdc592888f431da0731337b8 , < 0ccd75c51f620374086f359e906917676e699a1c (git) Affected: 15f02b91056253e8cdc592888f431da0731337b8 , < 77a853aec710b2fdf41fa298ea3cbc9a4358f917 (git) Affected: 15f02b91056253e8cdc592888f431da0731337b8 , < fe1188abdae9b7a8199dcdfcf9244d5e5d61eb14 (git) Affected: 15f02b91056253e8cdc592888f431da0731337b8 , < dc89961b76f12aff47124c1df4bdb32a080f4d0c (git) Affected: 15f02b91056253e8cdc592888f431da0731337b8 , < 5501d055a1ce3c747141e3955ba8cf034d193f3e (git) Affected: 15f02b91056253e8cdc592888f431da0731337b8 , < 42776497cdbc9a665b384a6dcb85f0d4bd927eab (git)
Linux	Linux	Affected: 5.7 Unaffected: 0 , < 5.7 (semver) Unaffected: 5.10.258 , ≤ 5.10.* (semver) Unaffected: 5.15.209 , ≤ 5.15.* (semver) Unaffected: 6.1.175 , ≤ 6.1.* (semver) Unaffected: 6.6.141 , ≤ 6.6.* (semver) Unaffected: 6.12.91 , ≤ 6.12.* (semver) Unaffected: 6.18.33 , ≤ 6.18.* (semver) Unaffected: 7.0.10 , ≤ 7.0.* (semver) Unaffected: 7.1 , ≤ * (original_commit_for_fix)
Red Hat	Red Hat Enterprise Linux 10	Unaffected: 0:6.12.0-211.37.1.el10_2 , < * (rpm) cpe:/o:redhat:enterprise_linux:10.2
Red Hat	Red Hat Enterprise Linux 8	Unaffected: 0:4.18.0-553.146.1.rt7.487.el8_10 , < * (rpm) cpe:/a:redhat:enterprise_linux:8::nfv
Red Hat	Red Hat Enterprise Linux 8	Unaffected: 0:4.18.0-553.146.1.el8_10 , < * (rpm) cpe:/o:redhat:enterprise_linux:8
Red Hat	Red Hat Enterprise Linux 9	Unaffected: 0:5.14.0-687.29.1.el9_8 , < * (rpm) cpe:/a:redhat:enterprise_linux:9 cpe:/o:redhat:enterprise_linux:9
Red Hat	Red Hat Enterprise Linux 6	cpe:/o:redhat:enterprise_linux:6
Red Hat	Red Hat Enterprise Linux 7	cpe:/o:redhat:enterprise_linux:7
Red Hat	Red Hat Enterprise Linux 9	cpe:/o:redhat:enterprise_linux:9

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To clipboard

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            ],
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          },
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          },
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          },
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          },
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}

Sightings

Author	Source	Type	Date	Other

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.

Detection rules are retrieved from Rulezet.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.

Action not permitted

alsa-2026:43307

Vulnerability from osv_almalinux

CVE-2025-71113 (GCVE-0-2025-71113)

CVE-2026-23110 (GCVE-0-2026-23110)

CVE-2026-46099 (GCVE-0-2026-46099)

CVE-2026-46150 (GCVE-0-2026-46150)

CVE-2026-46215 (GCVE-0-2026-46215)

CVE-2026-53071 (GCVE-0-2026-53071)

Tags

Sightings

Nomenclature