crypto: af_alg - Fix page reassignment overflow in af_alg_pull_tsgl

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Summary

CVECVE-2026-43078
StatePUBLISHED
AssignerLinux
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-05-06 10:16:20 UTC
Updated2026-05-08 13:16:38 UTC
DescriptionIn the Linux kernel, the following vulnerability has been resolved: crypto: af_alg - Fix page reassignment overflow in af_alg_pull_tsgl When page reassignment was added to af_alg_pull_tsgl the original loop wasn't updated so it may try to reassign one more page than necessary. Add the check to the reassignment so that this does not happen. Also update the comment which still refers to the obsolete offset argument.

Risk And Classification

Primary CVSS: v3.1 7.8 HIGH from 416baaa9-dc9f-4396-8d5f-8c081fb06d67

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

EPSS: 0.000130000 probability, percentile 0.024500000 (date 2026-05-12)

VersionSourceTypeScoreSeverityVector
3.1416baaa9-dc9f-4396-8d5f-8c081fb06d67Secondary7.8HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
3.1CNADECLARED7.8HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CVSS v3.1 Breakdown

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

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

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Linux Linux affected e870456d8e7c8d57c059ea479b5aadbb55ff4c3a fa48d3ea9cdbfb28c1fd6756c6c5cd01351aa51e git Not specified
CNA Linux Linux affected e870456d8e7c8d57c059ea479b5aadbb55ff4c3a 2b781d1d4f933990318bcc5c68fb75a717379e42 git Not specified
CNA Linux Linux affected e870456d8e7c8d57c059ea479b5aadbb55ff4c3a f7826bc0b39928a4a22f6b815dd9940b22a63503 git Not specified
CNA Linux Linux affected e870456d8e7c8d57c059ea479b5aadbb55ff4c3a 710a4ce5d7afd9fe082c75dec282ab4a11c0fe71 git Not specified
CNA Linux Linux affected e870456d8e7c8d57c059ea479b5aadbb55ff4c3a c8369a6d62f5abde9cbd4b62c45bf4b996be2468 git Not specified
CNA Linux Linux affected e870456d8e7c8d57c059ea479b5aadbb55ff4c3a dea5fcf085f977b6c2de1b2d4ec4767b6c840d1f git Not specified
CNA Linux Linux affected e870456d8e7c8d57c059ea479b5aadbb55ff4c3a 9532501e0f1b200ea80baa0e33e0b06da10bb271 git Not specified
CNA Linux Linux affected e870456d8e7c8d57c059ea479b5aadbb55ff4c3a 31d00156e50ecad37f2cb6cbf04aaa9a260505ef git Not specified
CNA Linux Linux affected 4.14 Not specified
CNA Linux Linux unaffected 4.14 semver Not specified
CNA Linux Linux unaffected 5.10.254 5.10.* semver Not specified
CNA Linux Linux unaffected 5.15.204 5.15.* semver Not specified
CNA Linux Linux unaffected 6.1.170 6.1.* semver Not specified
CNA Linux Linux unaffected 6.6.137 6.6.* semver Not specified
CNA Linux Linux unaffected 6.12.85 6.12.* semver Not specified
CNA Linux Linux unaffected 6.18.24 6.18.* semver Not specified
CNA Linux Linux unaffected 6.19.14 6.19.* semver Not specified
CNA Linux Linux unaffected 7.0 * original_commit_for_fix Not specified

References

ReferenceSourceLinkTags
git.kernel.org/stable/c/31d00156e50ecad37f2cb6cbf04aaa9a260505ef 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/dea5fcf085f977b6c2de1b2d4ec4767b6c840d1f 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/f7826bc0b39928a4a22f6b815dd9940b22a63503 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/c8369a6d62f5abde9cbd4b62c45bf4b996be2468 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/2b781d1d4f933990318bcc5c68fb75a717379e42 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/710a4ce5d7afd9fe082c75dec282ab4a11c0fe71 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/9532501e0f1b200ea80baa0e33e0b06da10bb271 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/fa48d3ea9cdbfb28c1fd6756c6c5cd01351aa51e 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
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