crypto: hisilicon/sec2 - prevent req used-after-free for sec

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Summary

CVECVE-2026-53055
StatePUBLISHED
AssignerLinux
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-06-24 17:17:17 UTC
Updated2026-06-28 08:16:31 UTC
DescriptionIn the Linux kernel, the following vulnerability has been resolved: crypto: hisilicon/sec2 - prevent req used-after-free for sec During packet transmission, if the system is under heavy load, the hardware might complete processing the packet and free the request memory (req) before the transmission function finishes. If the software subsequently accesses this req, a use-after-free error will occur. The qp_ctx memory exists throughout the packet sending process, so replace the req with the qp_ctx.

Risk And Classification

Primary CVSS: v3.1 9.8 CRITICAL from 416baaa9-dc9f-4396-8d5f-8c081fb06d67

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

EPSS: 0.004350000 probability, percentile 0.348250000 (date 2026-06-30)

VersionSourceTypeScoreSeverityVector
3.1416baaa9-dc9f-4396-8d5f-8c081fb06d67Secondary9.8CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
3.1CNADECLARED9.8CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS v3.1 Breakdown

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

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

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Linux Linux affected f0ae287c50455f7be0d8dd45a803d403c7aa4d2e b375c3c7209cc59e40e97998aa9bc768369cca0e git Not specified
CNA Linux Linux affected f0ae287c50455f7be0d8dd45a803d403c7aa4d2e ad73563f3a1edbfddf2724136c6a15826b354e18 git Not specified
CNA Linux Linux affected f0ae287c50455f7be0d8dd45a803d403c7aa4d2e 67b53a660e6bf0da2fa8d8872e897a14d8059eaf git Not specified
CNA Linux Linux affected 6.17 Not specified
CNA Linux Linux unaffected 6.17 semver Not specified
CNA Linux Linux unaffected 6.18.33 6.18.* semver Not specified
CNA Linux Linux unaffected 7.0.10 7.0.* semver Not specified
CNA Linux Linux unaffected 7.1 * original_commit_for_fix Not specified

References

ReferenceSourceLinkTags
git.kernel.org/stable/c/67b53a660e6bf0da2fa8d8872e897a14d8059eaf 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/b375c3c7209cc59e40e97998aa9bc768369cca0e 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/ad73563f3a1edbfddf2724136c6a15826b354e18 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
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