crypto: algif_hash - fix double free in hash_accept

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2025-38079
StatePUBLISHED
AssignerLinux
Source PriorityCVE Program / NVD first with legacy fallback
Published2025-06-18 10:15:41 UTC
Updated2026-05-12 13:16:42 UTC
DescriptionIn the Linux kernel, the following vulnerability has been resolved: crypto: algif_hash - fix double free in hash_accept If accept(2) is called on socket type algif_hash with MSG_MORE flag set and crypto_ahash_import fails, sk2 is freed. However, it is also freed in af_alg_release, leading to slab-use-after-free error.

Risk And Classification

Primary CVSS: v3.1 7.8 HIGH from [email protected]

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

Problem Types: CWE-415

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

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 fe869cdb89c95d060c77eea20204d6c91f233b53 5bff312b59b3f2a54ff504e4f4e47272b64f3633 git Not specified
CNA Linux Linux affected fe869cdb89c95d060c77eea20204d6c91f233b53 bf7bba75b91539e93615f560893a599c1e1c98bf git Not specified
CNA Linux Linux affected fe869cdb89c95d060c77eea20204d6c91f233b53 c3059d58f79fdfb2201249c2741514e34562b547 git Not specified
CNA Linux Linux affected fe869cdb89c95d060c77eea20204d6c91f233b53 f0f3d09f53534ea385d55ced408f2b67059b16e4 git Not specified
CNA Linux Linux affected fe869cdb89c95d060c77eea20204d6c91f233b53 134daaba93193df9e988524b5cd2f52d15eb1993 git Not specified
CNA Linux Linux affected fe869cdb89c95d060c77eea20204d6c91f233b53 2f45a8d64fb4ed4830a4b3273834ecd6ca504896 git Not specified
CNA Linux Linux affected fe869cdb89c95d060c77eea20204d6c91f233b53 0346f4b742345d1c733c977f3a7aef5a6419a967 git Not specified
CNA Linux Linux affected fe869cdb89c95d060c77eea20204d6c91f233b53 b2df03ed4052e97126267e8c13ad4204ea6ba9b6 git Not specified
CNA Linux Linux affected 2.6.38 Not specified
CNA Linux Linux unaffected 2.6.38 semver Not specified
CNA Linux Linux unaffected 5.4.294 5.4.* semver Not specified
CNA Linux Linux unaffected 5.10.238 5.10.* semver Not specified
CNA Linux Linux unaffected 5.15.185 5.15.* semver Not specified
CNA Linux Linux unaffected 6.1.141 6.1.* semver Not specified
CNA Linux Linux unaffected 6.6.93 6.6.* semver Not specified
CNA Linux Linux unaffected 6.12.31 6.12.* semver Not specified
CNA Linux Linux unaffected 6.14.9 6.14.* semver Not specified
CNA Linux Linux unaffected 6.15 * original_commit_for_fix Not specified
ADP Siemens SIMATIC S7-1500 CPU 1518-4 PN/DP MFP affected V3.1.5 * custom Not specified
ADP Siemens SIMATIC S7-1500 CPU 1518-4 PN/DP MFP affected V3.1.5 * custom Not specified
ADP Siemens SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP affected V3.1.5 * custom Not specified
ADP Siemens SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP affected V3.1.5 * custom Not specified
ADP Siemens SIPLUS S7-1500 CPU 1518-4 PN/DP MFP affected V3.1.5 * custom Not specified

References

ReferenceSourceLinkTags
lists.debian.org/debian-lts-announce/2025/10/msg00008.html af854a3a-2127-422b-91ae-364da2661108 lists.debian.org Third Party Advisory
cert-portal.siemens.com/productcert/html/ssa-082556.html 0b142b55-0307-4c5a-b3c9-f314f3fb7c5e cert-portal.siemens.com
git.kernel.org/stable/c/5bff312b59b3f2a54ff504e4f4e47272b64f3633 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/bf7bba75b91539e93615f560893a599c1e1c98bf 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/0346f4b742345d1c733c977f3a7aef5a6419a967 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/134daaba93193df9e988524b5cd2f52d15eb1993 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/f0f3d09f53534ea385d55ced408f2b67059b16e4 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/b2df03ed4052e97126267e8c13ad4204ea6ba9b6 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/2f45a8d64fb4ed4830a4b3273834ecd6ca504896 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
lists.debian.org/debian-lts-announce/2025/10/msg00007.html af854a3a-2127-422b-91ae-364da2661108 lists.debian.org Third Party Advisory
git.kernel.org/stable/c/c3059d58f79fdfb2201249c2741514e34562b547 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

© CVE.report 2026

Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. It is the responsibility of user to evaluate the accuracy, completeness or usefulness of any information, opinion, advice or other content. EACH USER WILL BE SOLELY RESPONSIBLE FOR ANY consequences of his or her direct or indirect use of this web site. ALL WARRANTIES OF ANY KIND ARE EXPRESSLY DISCLAIMED. This site will NOT BE LIABLE FOR ANY DIRECT, INDIRECT or any other kind of loss.

CVE, CWE, and OVAL are registred trademarks of The MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. This site includes MITRE data granted under the following license.

Free CVE JSON API cve.report/api

CVE.report and Source URL Uptime Status status.cve.report