7.1

CVE-2024-35966: Bluetooth: RFCOMM: Fix not validating setsockopt user input

Modified
AliasesUBUNTU-CVE-2024-35966DEBIAN-CVE-2024-35966
Published 20-05-2024Last modified 15-10-2026

Vulnerability summary

CVE-2024-35966 is a high (CVSS 7.1) Out-of-bounds Read vulnerability in linux. EPSS estimates a 0.26% chance of exploitation in the next 30 days, higher than 17.8% of scored vulnerabilities.

Priority
Routine

Not severe (CVSS 7.1, local access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
7.1/10
010
High · v3.1 (NVD)
EPSS score
0.26%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 34 · Related 30
DLA-4008-1DLA-4075-1DSA-5782-1RHSA-2025:6966SUSE-SU-2024:2008-1SUSE-SU-2024:2019-1

Timeline

  1. 20-05-2024
    PublishedVulnerability first disclosed.
  2. 15-10-2026
    Last modifiedVulnerability information updated.

Description

In 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

CVSS metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

0.26%

Chance of exploitation in the next 30 days

Percentile

18%

Versus all other CVEs

30-day change

No change 0.00 pp

From 0.26% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Version check

Known conditions: local access, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.

Ubuntu122 products
  • linuxAll versions (No fix recorded) | < 5.4.0-204.224 | < 5.15.0-130.140 | < 6.8.0-38.38
  • linux-allwinner-5.19All versions (No fix recorded)
  • linux-awsAll versions (No fix recorded) | < 5.4.0-1137.147 | < 5.15.0-1076.83 | < 6.8.0-1011.12
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
Linux2 products
  • linux≥ bb23c0ab824653be4aa7dfca15b07b3059717004, < d072ea24748189cd8f4a9c3f585ca9af073a0838 | ≥ bb23c0ab824653be4aa7dfca15b07b3059717004, < 00767fbd67af70d7a550caa5b12d9515fa978bab | ≥ bb23c0ab824653be4aa7dfca15b07b3059717004, < eea40d33bf936a5c7fb03c190e61e0cfee00e872 | ≥ bb23c0ab824653be4aa7dfca15b07b3059717004, < 4ea65e2095e9bd151d0469328dd7fc2858feb546 | ≥ bb23c0ab824653be4aa7dfca15b07b3059717004, < c3f787a3eafe519c93df9abbb0ca5145861c8d0f | ≥ bb23c0ab824653be4aa7dfca15b07b3059717004, < a97de7bff13b1cc825c1b1344eaed8d6c2d3e695 | 2.6.30
  • linux_kernel≥ 2.6.30, < 5.10.234 | ≥ 5.11, < 5.15.178 | ≥ 5.16, < 6.1.107 | ≥ 6.2, < 6.6.47 | ≥ 6.7, < 6.8.7 | 6.9:rc1 | 6.9:rc2 | 6.9:rc3
Debian1 product
  • linux< 6.1.112-1 | < 6.8.9-1

3 vendors · 125 products

References

30 links
Show all 30 references