Bluetooth: RFCOMM: Fix not validating setsockopt user input

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2024-35966
StatePUBLISHED
AssignerLinux
Source PriorityCVE Program / NVD first with legacy fallback
Published2024-05-20 10:15:11 UTC
Updated2026-05-12 12:16:44 UTC
DescriptionIn the Linux kernel, the following vulnerability has been resolved: Bluetooth: RFCOMM: Fix not validating setsockopt user input syzbot reported rfcomm_sock_setsockopt_old() is copying data without checking user input length. BUG: KASAN: slab-out-of-bounds in copy_from_sockptr_offset include/linux/sockptr.h:49 [inline] BUG: KASAN: slab-out-of-bounds in copy_from_sockptr include/linux/sockptr.h:55 [inline] BUG: KASAN: slab-out-of-bounds in rfcomm_sock_setsockopt_old net/bluetooth/rfcomm/sock.c:632 [inline] BUG: KASAN: slab-out-of-bounds in rfcomm_sock_setsockopt+0x893/0xa70 net/bluetooth/rfcomm/sock.c:673 Read of size 4 at addr ffff8880209a8bc3 by task syz-executor632/5064

Risk And Classification

Primary CVSS: v3.1 7.1 HIGH from [email protected]

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

Problem Types: CWE-125

CVSS v3.1 Breakdown

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

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/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 bb23c0ab824653be4aa7dfca15b07b3059717004 d072ea24748189cd8f4a9c3f585ca9af073a0838 git Not specified
CNA Linux Linux affected bb23c0ab824653be4aa7dfca15b07b3059717004 00767fbd67af70d7a550caa5b12d9515fa978bab git Not specified
CNA Linux Linux affected bb23c0ab824653be4aa7dfca15b07b3059717004 eea40d33bf936a5c7fb03c190e61e0cfee00e872 git Not specified
CNA Linux Linux affected bb23c0ab824653be4aa7dfca15b07b3059717004 4ea65e2095e9bd151d0469328dd7fc2858feb546 git Not specified
CNA Linux Linux affected bb23c0ab824653be4aa7dfca15b07b3059717004 c3f787a3eafe519c93df9abbb0ca5145861c8d0f git Not specified
CNA Linux Linux affected bb23c0ab824653be4aa7dfca15b07b3059717004 a97de7bff13b1cc825c1b1344eaed8d6c2d3e695 git Not specified
CNA Linux Linux affected 2.6.30 Not specified
CNA Linux Linux unaffected 2.6.30 semver Not specified
CNA Linux Linux unaffected 5.10.234 5.10.* semver Not specified
CNA Linux Linux unaffected 5.15.178 5.15.* semver Not specified
CNA Linux Linux unaffected 6.1.107 6.1.* semver Not specified
CNA Linux Linux unaffected 6.6.47 6.6.* semver Not specified
CNA Linux Linux unaffected 6.8.7 6.8.* semver Not specified
CNA Linux Linux unaffected 6.9 * original_commit_for_fix Not specified
ADP Siemens SIMATIC S7-1500 TM MFP - GNU/Linux Subsystem affected * custom Not specified

References

ReferenceSourceLinkTags
git.kernel.org/stable/c/4ea65e2095e9bd151d0469328dd7fc2858feb546 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
lists.debian.org/debian-lts-announce/2025/03/msg00002.html af854a3a-2127-422b-91ae-364da2661108 lists.debian.org
cert-portal.siemens.com/productcert/html/ssa-265688.html 0b142b55-0307-4c5a-b3c9-f314f3fb7c5e cert-portal.siemens.com
git.kernel.org/stable/c/c3f787a3eafe519c93df9abbb0ca5145861c8d0f af854a3a-2127-422b-91ae-364da2661108 git.kernel.org Patch
git.kernel.org/stable/c/a97de7bff13b1cc825c1b1344eaed8d6c2d3e695 af854a3a-2127-422b-91ae-364da2661108 git.kernel.org Patch
git.kernel.org/stable/c/d072ea24748189cd8f4a9c3f585ca9af073a0838 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/00767fbd67af70d7a550caa5b12d9515fa978bab 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
lists.debian.org/debian-lts-announce/2025/01/msg00001.html af854a3a-2127-422b-91ae-364da2661108 lists.debian.org
git.kernel.org/stable/c/eea40d33bf936a5c7fb03c190e61e0cfee00e872 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
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