dm-verity: correctly handle dm_bufio_client_create() failure

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Summary

CVECVE-2026-43132
StatePUBLISHED
AssignerLinux
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-05-06 12:16:30 UTC
Updated2026-05-08 17:26:57 UTC
DescriptionIn the Linux kernel, the following vulnerability has been resolved: dm-verity: correctly handle dm_bufio_client_create() failure If either of the calls to dm_bufio_client_create() in verity_fec_ctr() fails, then dm_bufio_client_destroy() is later called with an ERR_PTR() argument. That causes a crash. Fix this.

Risk And Classification

Primary CVSS: v3.1 5.5 MEDIUM from [email protected]

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

Problem Types: NVD-CWE-noinfo

CVSS v3.1 Breakdown

Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

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

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Linux Linux Kernel All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Linux Linux affected a739ff3f543afbb4a041c16cd0182c8e8d366e70 6283e49af87a9c121bb01e5a64a7fe5706c210bc git Not specified
CNA Linux Linux affected a739ff3f543afbb4a041c16cd0182c8e8d366e70 d3e1f1adc8a0289efe2d2cdc90edb8c6ffe0b5ef git Not specified
CNA Linux Linux affected a739ff3f543afbb4a041c16cd0182c8e8d366e70 5c2217ddb3b7e7ac25f4ebe9061258fc8f1c9167 git Not specified
CNA Linux Linux affected a739ff3f543afbb4a041c16cd0182c8e8d366e70 031f2adc1499b112a39ac316bbab3c80bba16cf2 git Not specified
CNA Linux Linux affected a739ff3f543afbb4a041c16cd0182c8e8d366e70 9b8dc1d327e2928f3da59ced0595d850d31c0936 git Not specified
CNA Linux Linux affected a739ff3f543afbb4a041c16cd0182c8e8d366e70 451cc650e40e8c3222d37877a9e4be0fcaacb9c8 git Not specified
CNA Linux Linux affected a739ff3f543afbb4a041c16cd0182c8e8d366e70 b154a868a3856fb5216c4f82981d8a503832e095 git Not specified
CNA Linux Linux affected a739ff3f543afbb4a041c16cd0182c8e8d366e70 119f4f04186fa4f33ee6bd39af145cdaff1ff17f git Not specified
CNA Linux Linux affected 4.5 Not specified
CNA Linux Linux unaffected 4.5 semver Not specified
CNA Linux Linux unaffected 5.10.252 5.10.* semver Not specified
CNA Linux Linux unaffected 5.15.202 5.15.* semver Not specified
CNA Linux Linux unaffected 6.1.165 6.1.* semver Not specified
CNA Linux Linux unaffected 6.6.128 6.6.* semver Not specified
CNA Linux Linux unaffected 6.12.75 6.12.* semver Not specified
CNA Linux Linux unaffected 6.18.16 6.18.* semver Not specified
CNA Linux Linux unaffected 6.19.6 6.19.* semver Not specified
CNA Linux Linux unaffected 7.0 * original_commit_for_fix Not specified

References

ReferenceSourceLinkTags
git.kernel.org/stable/c/031f2adc1499b112a39ac316bbab3c80bba16cf2 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/9b8dc1d327e2928f3da59ced0595d850d31c0936 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/5c2217ddb3b7e7ac25f4ebe9061258fc8f1c9167 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/d3e1f1adc8a0289efe2d2cdc90edb8c6ffe0b5ef 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/119f4f04186fa4f33ee6bd39af145cdaff1ff17f 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/b154a868a3856fb5216c4f82981d8a503832e095 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/6283e49af87a9c121bb01e5a64a7fe5706c210bc 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/451cc650e40e8c3222d37877a9e4be0fcaacb9c8 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
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