Vulnerability-Lookup

alsa-2026:33685

Vulnerability from osv_almalinux

Published

2026-06-30 00:00

Modified

2026-07-01 20:19

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: ALSA: usb-audio: Add sanity check for OOB writes at silencing (CVE-2026-43279)
kernel: ALSA: aloop: Fix peer runtime UAF during format-change stop (CVE-2026-46090)
kernel: RDMA/vmw_pvrdma: Fix double free on pvrdma_alloc_ucontext() error path (CVE-2026-46189)
kernel: RDMA/mlx5: Fix error path fall-through in mlx5_ib_dev_res_srq_init() (CVE-2026-46176)

Bug Fix(es) and Enhancement(s):

CLONE - [AlmaLinux 10.2 Bug] qla2xxx flash image validation failure [almalinux-10.2.z] (JIRA:AlmaLinux-181887)
tegra-se fixes and updates [almalinux-10.2.z] (JIRA:AlmaLinux-182759)

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-2026:33685	ADVISORY
	https://access.redhat.com/security/cve/CVE-2026-43279	REPORT
	https://access.redhat.com/security/cve/CVE-2026-46090	REPORT
	https://access.redhat.com/security/cve/CVE-2026-46176	REPORT
	https://access.redhat.com/security/cve/CVE-2026-46189	REPORT
	https://bugzilla.redhat.com/2467215	REPORT
	https://bugzilla.redhat.com/2481980	REPORT
	https://bugzilla.redhat.com/2482588	REPORT
	https://bugzilla.redhat.com/2482594	REPORT
	https://errata.almalinux.org/10/ALSA-2026-33685.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: ALSA: usb-audio: Add sanity check for OOB writes at silencing (CVE-2026-43279)\n  * kernel: ALSA: aloop: Fix peer runtime UAF during format-change stop (CVE-2026-46090)\n  * kernel: RDMA/vmw_pvrdma: Fix double free on pvrdma_alloc_ucontext() error path (CVE-2026-46189)\n  * kernel: RDMA/mlx5: Fix error path fall-through in mlx5_ib_dev_res_srq_init() (CVE-2026-46176)\n\n\nBug Fix(es) and Enhancement(s):  \n\n  * CLONE - [AlmaLinux 10.2 Bug] qla2xxx flash image validation failure [almalinux-10.2.z] (JIRA:AlmaLinux-181887)\n  * tegra-se fixes and updates [almalinux-10.2.z] (JIRA:AlmaLinux-182759)\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-2026:33685",
  "modified": "2026-07-01T20:19:32Z",
  "published": "2026-06-30T00:00:00Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://access.redhat.com/errata/RHSA-2026:33685"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-43279"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-46090"
    },
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      "url": "https://access.redhat.com/security/cve/CVE-2026-46176"
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      "url": "https://access.redhat.com/security/cve/CVE-2026-46189"
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      "url": "https://bugzilla.redhat.com/2467215"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2481980"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2482588"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2482594"
    },
    {
      "type": "ADVISORY",
      "url": "https://errata.almalinux.org/10/ALSA-2026-33685.html"
    }
  ],
  "related": [
    "CVE-2026-43279",
    "CVE-2026-46090",
    "CVE-2026-46189",
    "CVE-2026-46176"
  ],
  "summary": "Important: kernel security, bug fix, and enhancement update"
}

CVE-2026-43279 (GCVE-0-2026-43279)

Vulnerability from cvelistv5 – Published: 2026-05-06 11:29 – Updated: 2026-05-11 22:21

Title

ALSA: usb-audio: Add sanity check for OOB writes at silencing

Summary

In the Linux kernel, the following vulnerability has been resolved: ALSA: usb-audio: Add sanity check for OOB writes at silencing At silencing the playback URB packets in the implicit fb mode before the actual playback, we blindly assume that the received packets fit with the buffer size. But when the setup in the capture stream differs from the playback stream (e.g. due to the USB core limitation of max packet size), such an inconsistency may lead to OOB writes to the buffer, resulting in a crash. For addressing it, add a sanity check of the transfer buffer size at prepare_silent_urb(), and stop the data copy if the received data overflows. Also, report back the transfer error properly from there, too. Note that this doesn't fix the root cause of the playback error itself, but this merely covers the kernel Oops.

Severity

7.8 (High)


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

Assigner

Linux

References

7 references

URL	Tags
https://git.kernel.org/stable/c/fa01973bb79d70c47…
https://git.kernel.org/stable/c/780dc57794a217b49…
https://git.kernel.org/stable/c/8995fc0e00b3fee9b…
https://git.kernel.org/stable/c/fc9e5af60dc199051…
https://git.kernel.org/stable/c/6af16f1b8649df4c0…
https://git.kernel.org/stable/c/ccaf9296763be4f76…
https://git.kernel.org/stable/c/fba2105a157fffcf1…

Impacted products

2 products

Vendor	Product	Version
Linux	Linux	Affected: c75a8a7ae565d7cd9baa87a504ba9162e355b4b0 , < fa01973bb79d70c4736b6a4b2de99fbb2cbc8d1f (git) Affected: c75a8a7ae565d7cd9baa87a504ba9162e355b4b0 , < 780dc57794a217b49994fa1d0b42465fb10a00aa (git) Affected: c75a8a7ae565d7cd9baa87a504ba9162e355b4b0 , < 8995fc0e00b3fee9bf7ecb3d836b635b730c1049 (git) Affected: c75a8a7ae565d7cd9baa87a504ba9162e355b4b0 , < fc9e5af60dc199051dc202ae78e1fe76a9977a5e (git) Affected: c75a8a7ae565d7cd9baa87a504ba9162e355b4b0 , < 6af16f1b8649df4c00d6ced924bdd8b72c885b6a (git) Affected: c75a8a7ae565d7cd9baa87a504ba9162e355b4b0 , < ccaf9296763be4f76b59e2cac377006016c34435 (git) Affected: c75a8a7ae565d7cd9baa87a504ba9162e355b4b0 , < fba2105a157fffcf19825e4eea498346738c9948 (git)
Linux	Linux	Affected: 3.5 Unaffected: 0 , < 3.5 (semver) Unaffected: 5.15.202 , ≤ 5.15.* (semver) Unaffected: 6.1.165 , ≤ 6.1.* (semver) Unaffected: 6.6.128 , ≤ 6.6.* (semver) Unaffected: 6.12.75 , ≤ 6.12.* (semver) Unaffected: 6.18.16 , ≤ 6.18.* (semver) Unaffected: 6.19.6 , ≤ 6.19.* (semver) Unaffected: 7.0 , ≤ * (original_commit_for_fix)

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}

CVE-2026-46090 (GCVE-0-2026-46090)

Vulnerability from cvelistv5 – Published: 2026-05-27 12:58 – Updated: 2026-07-02 12:05

Title

ALSA: aloop: Fix peer runtime UAF during format-change stop

Summary

In the Linux kernel, the following vulnerability has been resolved: ALSA: aloop: Fix peer runtime UAF during format-change stop loopback_check_format() may stop the capture side when playback starts with parameters that no longer match a running capture stream. Commit 826af7fa62e3 ("ALSA: aloop: Fix racy access at PCM trigger") moved the peer lookup under cable->lock, but the actual snd_pcm_stop() still runs after dropping that lock. A concurrent close can clear the capture entry from cable->streams[] and detach or free its runtime while the playback trigger path still holds a stale peer substream pointer. Keep a per-cable count of in-flight peer stops before dropping cable->lock, and make free_cable() wait for those stops before detaching the runtime. This preserves the existing behavior while making the peer runtime lifetime explicit.

Severity

7.8 (High)


                        
                          CVSS:3.1/AV:L/AC:L/PR:L/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-364 - Signal Handler Race Condition

Assigner

Linux

References

19 references

URL	Tags
https://git.kernel.org/stable/c/83bd62fa9620ac98d…
https://git.kernel.org/stable/c/345c24b2bcf0923df…
https://git.kernel.org/stable/c/03f52a9c170431e8f…
https://git.kernel.org/stable/c/bdd9503c3d222d273…
https://git.kernel.org/stable/c/5d45e34bf001344e2…
https://git.kernel.org/stable/c/e5c33cdc6f402eab8…
https://access.redhat.com/security/cve/CVE-2026-46090	vdb-entryx_refsource_REDHAT
https://bugzilla.redhat.com/show_bug.cgi?id=2481980	issue-trackingx_refsource_REDHAT
https://security.access.redhat.com/data/csaf/v2/v…	x_sadp-csaf-vex
https://access.redhat.com/errata/RHSA-2026:33215	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:33685	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:34095	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:34443	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:34094	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:30848	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:27353	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:33899	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:27354	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:33900	vendor-advisoryx_refsource_REDHAT

Impacted products

39 products

Vendor	Product	Version
Linux	Linux	Affected: 597603d615d2b19a9e451d8cfac24372856a522d , < 83bd62fa9620ac98d5d694bde14c50f98c8e7189 (git) Affected: 597603d615d2b19a9e451d8cfac24372856a522d , < 345c24b2bcf0923dfae1ab41497351c68214ff76 (git) Affected: 597603d615d2b19a9e451d8cfac24372856a522d , < 03f52a9c170431e8f10e156b9dc0dae80b3e9198 (git) Affected: 597603d615d2b19a9e451d8cfac24372856a522d , < bdd9503c3d222d2735b56c7a8b4422ccf3de6e5c (git) Affected: 597603d615d2b19a9e451d8cfac24372856a522d , < 5d45e34bf001344e2966dabca1897561bbc9e913 (git) Affected: 597603d615d2b19a9e451d8cfac24372856a522d , < e5c33cdc6f402eab8abd36ecf436b22c9d3a8aff (git)
Linux	Linux	Affected: 2.6.37 Unaffected: 0 , < 2.6.37 (semver) Unaffected: 5.10.259 , ≤ 5.10.* (semver) Unaffected: 5.15.210 , ≤ 5.15.* (semver) Unaffected: 6.12.88 , ≤ 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 AppStream EUS (v. 10.0)	cpe:/o:redhat:enterprise_linux_eus:10.0
Red Hat	Red Hat Enterprise Linux AppStream (v. 10)	cpe:/o:redhat:enterprise_linux:10.2
Red Hat	Red Hat Enterprise Linux AppStream E4S (v.9.2)	cpe:/a:redhat:rhel_e4s:9.2::appstream
Red Hat	Red Hat Enterprise Linux AppStream E4S (v.9.4)	cpe:/a:redhat:rhel_e4s:9.4::appstream
Red Hat	Red Hat Enterprise Linux AppStream EUS (v.9.6)	cpe:/a:redhat:rhel_eus:9.6::appstream
Red Hat	Red Hat Enterprise Linux AppStream (v. 9)	cpe:/a:redhat:enterprise_linux:9::appstream
Red Hat	Red Hat Enterprise Linux BaseOS EUS (v. 10.0)	cpe:/o:redhat:enterprise_linux_eus:10.0
Red Hat	Red Hat Enterprise Linux BaseOS (v. 10)	cpe:/o:redhat:enterprise_linux:10.2
Red Hat	Red Hat Enterprise Linux BaseOS (v. 8)	cpe:/o:redhat:enterprise_linux:8::baseos
Red Hat	Red Hat Enterprise Linux BaseOS AUS (v.8.6)	cpe:/o:redhat:rhel_aus:8.6::baseos
Red Hat	Red Hat Enterprise Linux BaseOS EUS EXTENSION (v.8.6)	cpe:/o:redhat:rhel_eus_long_life:8.6::baseos
Red Hat	Red Hat Enterprise Linux BaseOS E4S (v.9.2)	cpe:/o:redhat:rhel_e4s:9.2::baseos
Red Hat	Red Hat Enterprise Linux BaseOS E4S (v.9.4)	cpe:/o:redhat:rhel_e4s:9.4::baseos
Red Hat	Red Hat Enterprise Linux BaseOS EUS (v.9.6)	cpe:/o:redhat:rhel_eus:9.6::baseos
Red Hat	Red Hat Enterprise Linux BaseOS (v. 9)	cpe:/o:redhat:enterprise_linux:9::baseos
Red Hat	Red Hat Enterprise Linux CodeReady Linux Builder EUS (v. 10.0)	cpe:/o:redhat:enterprise_linux_eus:10.0
Red Hat	Red Hat Enterprise Linux CodeReady Linux Builder (v. 10)	cpe:/o:redhat:enterprise_linux:10.2
Red Hat	Red Hat Enterprise Linux CRB (v. 8)	cpe:/a:redhat:enterprise_linux:8::crb
Red Hat	Red Hat CodeReady Linux Builder EUS (v.9.6)	cpe:/a:redhat:rhel_eus:9.6::crb
Red Hat	Red Hat Enterprise Linux CodeReady Linux Builder (v. 9)	cpe:/a:redhat:enterprise_linux:9::crb
Red Hat	Red Hat Enterprise Linux Real Time for NFV EUS (v. 10.0)	cpe:/o:redhat:enterprise_linux_eus:10.0
Red Hat	Red Hat Enterprise Linux Real Time for NFV (v. 10)	cpe:/o:redhat:enterprise_linux:10.2
Red Hat	Red Hat Enterprise Linux NFV (v. 8)	cpe:/a:redhat:enterprise_linux:8::nfv
Red Hat	Red Hat Enterprise Linux Real Time for NFV E4S (v.9.2)	cpe:/a:redhat:rhel_e4s:9.2::nfv
Red Hat	Red Hat Enterprise Linux Real Time for NFV E4S (v.9.4)	cpe:/a:redhat:rhel_e4s:9.4::nfv
Red Hat	Red Hat Enterprise Linux Real Time for NFV EUS (v.9.6)	cpe:/a:redhat:rhel_eus:9.6::nfv
Red Hat	Red Hat Enterprise Linux Real Time for NFV (v. 9)	cpe:/a:redhat:enterprise_linux:9::nfv
Red Hat	Red Hat Enterprise Linux Real Time EUS (v. 10.0)	cpe:/o:redhat:enterprise_linux_eus:10.0
Red Hat	Red Hat Enterprise Linux Real Time (v. 10)	cpe:/o:redhat:enterprise_linux:10.2
Red Hat	Red Hat Enterprise Linux RT (v. 8)	cpe:/a:redhat:enterprise_linux:8::realtime
Red Hat	Red Hat Enterprise Linux Real Time E4S (v.9.2)	cpe:/a:redhat:rhel_e4s:9.2::realtime
Red Hat	Red Hat Enterprise Linux Real Time E4S (v.9.4)	cpe:/a:redhat:rhel_e4s:9.4::realtime
Red Hat	Red Hat Enterprise Linux Real Time EUS (v.9.6)	cpe:/a:redhat:rhel_eus:9.6::realtime
Red Hat	Red Hat Enterprise Linux Real Time (v. 9)	cpe:/a:redhat:enterprise_linux:9::realtime
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
Red Hat	Red Hat Enterprise Linux 6	cpe:/o:redhat:enterprise_linux:6

Show details on NVD website

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To clipboard

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CVE-2026-46176 (GCVE-0-2026-46176)

Vulnerability from cvelistv5 – Published: 2026-05-28 09:36 – Updated: 2026-07-02 12:05

Title

RDMA/mlx5: Fix error path fall-through in mlx5_ib_dev_res_srq_init()

Summary

In the Linux kernel, the following vulnerability has been resolved: RDMA/mlx5: Fix error path fall-through in mlx5_ib_dev_res_srq_init() mlx5_ib_dev_res_srq_init() allocates two SRQs, s0 and s1. When ib_create_srq() fails for s1, the error branch destroys s0 but falls through and unconditionally assigns the freed s0 and the ERR_PTR s1 to devr->s0 and devr->s1. This leads to several problems: the lock-free fast path checks "if (devr->s1) return 0;" and treats the ERR_PTR as already initialised; users in mlx5_ib_create_qp() dereference the freed SRQ or ERR_PTR via to_msrq(devr->s0)->msrq.srqn; and mlx5_ib_dev_res_cleanup() dereferences the ERR_PTR and double-frees s0 on teardown. Fix by adding the same `goto unlock` in the s1 failure path.

Severity

7.8 (High)


                        
                          CVSS:3.1/AV:L/AC:L/PR:L/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-825 - Expired Pointer Dereference

Assigner

Linux

References

12 references

URL	Tags
https://git.kernel.org/stable/c/a13c2ac4d480b7343…
https://git.kernel.org/stable/c/bc2cf5935b4665172…
https://git.kernel.org/stable/c/b087913ae88256df6…
https://git.kernel.org/stable/c/6fd93142dd1d09000…
https://git.kernel.org/stable/c/c488df06bd552bb8b…
https://access.redhat.com/security/cve/CVE-2026-46176	vdb-entryx_refsource_REDHAT
https://bugzilla.redhat.com/show_bug.cgi?id=2482594	issue-trackingx_refsource_REDHAT
https://security.access.redhat.com/data/csaf/v2/v…	x_sadp-csaf-vex
https://access.redhat.com/errata/RHSA-2026:33215	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:33685	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:34094	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:30848	vendor-advisoryx_refsource_REDHAT

Impacted products

26 products

Vendor	Product	Version
Linux	Linux	Affected: b6334d2356fc0922ed01457960f74923058a353a , < a13c2ac4d480b734342c6fbf8249fc48afd675f3 (git) Affected: 5895e70f2e6e8dc67b551ca554d6fcde0a7f0467 , < bc2cf5935b4665172235341163315905197ae91d (git) Affected: 5895e70f2e6e8dc67b551ca554d6fcde0a7f0467 , < b087913ae88256df66620f7ba0a9776716aeef7e (git) Affected: 5895e70f2e6e8dc67b551ca554d6fcde0a7f0467 , < 6fd93142dd1d09000c3750af08270f5792523fe9 (git) Affected: 5895e70f2e6e8dc67b551ca554d6fcde0a7f0467 , < c488df06bd552bb8b6e14fa0cfd5ad986c6e9525 (git) Affected: 6.6.64 , < 6.6.140 (semver)
Linux	Linux	Affected: 6.11 Unaffected: 0 , < 6.11 (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)
Red Hat	Red Hat Enterprise Linux AppStream EUS (v. 10.0)	cpe:/o:redhat:enterprise_linux_eus:10.0
Red Hat	Red Hat Enterprise Linux AppStream (v. 10)	cpe:/o:redhat:enterprise_linux:10.2
Red Hat	Red Hat Enterprise Linux AppStream EUS (v.9.6)	cpe:/a:redhat:rhel_eus:9.6::appstream
Red Hat	Red Hat Enterprise Linux AppStream (v. 9)	cpe:/a:redhat:enterprise_linux:9::appstream
Red Hat	Red Hat Enterprise Linux BaseOS EUS (v. 10.0)	cpe:/o:redhat:enterprise_linux_eus:10.0
Red Hat	Red Hat Enterprise Linux BaseOS (v. 10)	cpe:/o:redhat:enterprise_linux:10.2
Red Hat	Red Hat Enterprise Linux BaseOS EUS (v.9.6)	cpe:/o:redhat:rhel_eus:9.6::baseos
Red Hat	Red Hat Enterprise Linux BaseOS (v. 9)	cpe:/o:redhat:enterprise_linux:9::baseos
Red Hat	Red Hat Enterprise Linux CodeReady Linux Builder EUS (v. 10.0)	cpe:/o:redhat:enterprise_linux_eus:10.0
Red Hat	Red Hat Enterprise Linux CodeReady Linux Builder (v. 10)	cpe:/o:redhat:enterprise_linux:10.2
Red Hat	Red Hat CodeReady Linux Builder EUS (v.9.6)	cpe:/a:redhat:rhel_eus:9.6::crb
Red Hat	Red Hat Enterprise Linux CodeReady Linux Builder (v. 9)	cpe:/a:redhat:enterprise_linux:9::crb
Red Hat	Red Hat Enterprise Linux Real Time for NFV EUS (v. 10.0)	cpe:/o:redhat:enterprise_linux_eus:10.0
Red Hat	Red Hat Enterprise Linux Real Time for NFV (v. 10)	cpe:/o:redhat:enterprise_linux:10.2
Red Hat	Red Hat Enterprise Linux Real Time for NFV EUS (v.9.6)	cpe:/a:redhat:rhel_eus:9.6::nfv
Red Hat	Red Hat Enterprise Linux Real Time for NFV (v. 9)	cpe:/a:redhat:enterprise_linux:9::nfv
Red Hat	Red Hat Enterprise Linux Real Time EUS (v. 10.0)	cpe:/o:redhat:enterprise_linux_eus:10.0
Red Hat	Red Hat Enterprise Linux Real Time (v. 10)	cpe:/o:redhat:enterprise_linux:10.2
Red Hat	Red Hat Enterprise Linux Real Time EUS (v.9.6)	cpe:/a:redhat:rhel_eus:9.6::realtime
Red Hat	Red Hat Enterprise Linux Real Time (v. 9)	cpe:/a:redhat:enterprise_linux:9::realtime
Red Hat	Red Hat Enterprise Linux 9	cpe:/o:redhat:enterprise_linux:9
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 6	cpe:/o:redhat:enterprise_linux:6

Show details on NVD website

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To clipboard

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CVE-2026-46189 (GCVE-0-2026-46189)

Vulnerability from cvelistv5 – Published: 2026-05-28 09:36 – Updated: 2026-07-01 12:04

Title

RDMA/vmw_pvrdma: Fix double free on pvrdma_alloc_ucontext() error path

Summary

In the Linux kernel, the following vulnerability has been resolved: RDMA/vmw_pvrdma: Fix double free on pvrdma_alloc_ucontext() error path Sashiko points out that pvrdma_uar_free() is already called within pvrdma_dealloc_ucontext(), so calling it before triggers a double free.

Severity

7 (High)


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

CWE

CWE-1341 - Multiple Releases of Same Resource or Handle

Assigner

Linux

References

14 references

URL	Tags
https://git.kernel.org/stable/c/269967d7693304e1f…
https://git.kernel.org/stable/c/1df5711121cdc11e7…
https://git.kernel.org/stable/c/3a231c34c5bc3d3cf…
https://git.kernel.org/stable/c/ecc36a82ecfcfdf3c…
https://git.kernel.org/stable/c/45d25e3ec17900bf5…
https://git.kernel.org/stable/c/0c63333ff97bd1275…
https://git.kernel.org/stable/c/935ee27d0904aa944…
https://git.kernel.org/stable/c/e38e86995df27f1f8…
https://access.redhat.com/security/cve/CVE-2026-46189	vdb-entryx_refsource_REDHAT
https://bugzilla.redhat.com/show_bug.cgi?id=2482588	issue-trackingx_refsource_REDHAT
https://security.access.redhat.com/data/csaf/v2/v…	x_sadp-csaf-vex
https://access.redhat.com/errata/RHSA-2026:33685	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:30848	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:33743	vendor-advisoryx_refsource_REDHAT

Impacted products

18 products

Vendor	Product	Version
Linux	Linux	Affected: 29c8d9eba550c6d73d17cc1618a9f5f2a7345aa1 , < 269967d7693304e1f06ed2dff4ebbbeeb397cda4 (git) Affected: 29c8d9eba550c6d73d17cc1618a9f5f2a7345aa1 , < 1df5711121cdc11e76b889408fdbe459feba1d39 (git) Affected: 29c8d9eba550c6d73d17cc1618a9f5f2a7345aa1 , < 3a231c34c5bc3d3cfc850b877758ec9fdaa8a483 (git) Affected: 29c8d9eba550c6d73d17cc1618a9f5f2a7345aa1 , < ecc36a82ecfcfdf3c6606d209f22ec5543c410e0 (git) Affected: 29c8d9eba550c6d73d17cc1618a9f5f2a7345aa1 , < 45d25e3ec17900bf5a9d6876ff16ceee31c4c0e0 (git) Affected: 29c8d9eba550c6d73d17cc1618a9f5f2a7345aa1 , < 0c63333ff97bd1275294fd12840a0efe9d7a4c59 (git) Affected: 29c8d9eba550c6d73d17cc1618a9f5f2a7345aa1 , < 935ee27d0904aa944cbcc979094c20e5ef62eead (git) Affected: 29c8d9eba550c6d73d17cc1618a9f5f2a7345aa1 , < e38e86995df27f1f854063dab1f0c6a513db3faf (git)
Linux	Linux	Affected: 4.10 Unaffected: 0 , < 4.10 (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)
Red Hat	Red Hat Enterprise Linux AppStream (v. 10)	cpe:/o:redhat:enterprise_linux:10.2
Red Hat	Red Hat Enterprise Linux AppStream (v. 9)	cpe:/a:redhat:enterprise_linux:9::appstream
Red Hat	Red Hat Enterprise Linux BaseOS (v. 10)	cpe:/o:redhat:enterprise_linux:10.2
Red Hat	Red Hat Enterprise Linux BaseOS (v. 8)	cpe:/o:redhat:enterprise_linux:8::baseos
Red Hat	Red Hat Enterprise Linux BaseOS (v. 9)	cpe:/o:redhat:enterprise_linux:9::baseos
Red Hat	Red Hat Enterprise Linux CodeReady Linux Builder (v. 10)	cpe:/o:redhat:enterprise_linux:10.2
Red Hat	Red Hat Enterprise Linux CRB (v. 8)	cpe:/a:redhat:enterprise_linux:8::crb
Red Hat	Red Hat Enterprise Linux CodeReady Linux Builder (v. 9)	cpe:/a:redhat:enterprise_linux:9::crb
Red Hat	Red Hat Enterprise Linux Real Time for NFV (v. 10)	cpe:/o:redhat:enterprise_linux:10.2
Red Hat	Red Hat Enterprise Linux Real Time for NFV (v. 9)	cpe:/a:redhat:enterprise_linux:9::nfv
Red Hat	Red Hat Enterprise Linux Real Time (v. 10)	cpe:/o:redhat:enterprise_linux:10.2
Red Hat	Red Hat Enterprise Linux Real Time (v. 9)	cpe:/a:redhat:enterprise_linux:9::realtime
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
Red Hat	Red Hat Enterprise Linux 6	cpe:/o:redhat:enterprise_linux:6

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          },
          {
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        ],
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            "time": "2026-05-28T00:00:00.000Z",
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          },
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    "dateReserved": "2026-05-13T15:03:33.104Z",
    "dateUpdated": "2026-07-01T12:04:55.460Z",
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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.

Action not permitted

alsa-2026:33685

Vulnerability from osv_almalinux

CVE-2026-43279 (GCVE-0-2026-43279)

CVE-2026-46090 (GCVE-0-2026-46090)

CVE-2026-46176 (GCVE-0-2026-46176)

CVE-2026-46189 (GCVE-0-2026-46189)

Tags

Sightings

Nomenclature