nfc: llcp: Fix use-after-free in llcp_sock_release()

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-64011
StatePUBLISHED
AssignerLinux
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-07-19 16:17:40 UTC
Updated2026-07-20 15:17:02 UTC
DescriptionIn the Linux kernel, the following vulnerability has been resolved: nfc: llcp: Fix use-after-free in llcp_sock_release() llcp_sock_release() unconditionally unlinks the socket from the local sockets list. However, if the socket is still in connecting state, it is on the connecting list. Fix this by checking the socket state and unlinking from the correct list.

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: 0.001760000 probability, percentile 0.073890000 (date 2026-07-20)

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 b4011239a08e7e6c2c6e970dfa9e8ecb73139261 89ba026747019ee643d29407435ddc118e6ca908 git Not specified
CNA Linux Linux affected b4011239a08e7e6c2c6e970dfa9e8ecb73139261 fb29f6bbe433f3decad227588809636c25f2a287 git Not specified
CNA Linux Linux affected b4011239a08e7e6c2c6e970dfa9e8ecb73139261 2dfdaaf7d933b676124aadec6698825e95f94fe9 git Not specified
CNA Linux Linux affected b4011239a08e7e6c2c6e970dfa9e8ecb73139261 e00f50f8697724a6f1d2d35744c1332c9912dac5 git Not specified
CNA Linux Linux affected b4011239a08e7e6c2c6e970dfa9e8ecb73139261 cdc17e09a636c7f936f771902535a7515a7608fc git Not specified
CNA Linux Linux affected b4011239a08e7e6c2c6e970dfa9e8ecb73139261 912ebc49d4406a17fe73e5671d674fbc2f6b2634 git Not specified
CNA Linux Linux affected b4011239a08e7e6c2c6e970dfa9e8ecb73139261 bc421d0826dedbba37580a25405eafb599e76d42 git Not specified
CNA Linux Linux affected b4011239a08e7e6c2c6e970dfa9e8ecb73139261 f4268b466190dae95a7585f69b4f1f8ad097632c git Not specified
CNA Linux Linux affected da989ee1c7702050741a551df6866cc1588f277b git Not specified
CNA Linux Linux affected 3.10.10 3.11 semver Not specified
CNA Linux Linux affected 3.11 Not specified
CNA Linux Linux unaffected 3.11 semver Not specified
CNA Linux Linux unaffected 5.10.259 5.10.* semver Not specified
CNA Linux Linux unaffected 5.15.210 5.15.* semver Not specified
CNA Linux Linux unaffected 6.1.176 6.1.* semver Not specified
CNA Linux Linux unaffected 6.6.143 6.6.* semver Not specified
CNA Linux Linux unaffected 6.12.93 6.12.* semver Not specified
CNA Linux Linux unaffected 6.18.35 6.18.* semver Not specified
CNA Linux Linux unaffected 7.0.12 7.0.* semver Not specified
CNA Linux Linux unaffected 7.1 * original_commit_for_fix Not specified

References

ReferenceSourceLinkTags
git.kernel.org/stable/c/89ba026747019ee643d29407435ddc118e6ca908 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/cdc17e09a636c7f936f771902535a7515a7608fc 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/f4268b466190dae95a7585f69b4f1f8ad097632c 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/912ebc49d4406a17fe73e5671d674fbc2f6b2634 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/e00f50f8697724a6f1d2d35744c1332c9912dac5 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/fb29f6bbe433f3decad227588809636c25f2a287 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/2dfdaaf7d933b676124aadec6698825e95f94fe9 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/bc421d0826dedbba37580a25405eafb599e76d42 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
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