7

CVE-2023-51779: linux Use After Free

Deferred
AliasesSUSE-SU-2024:1025-1SUSE-SU-2024:1028-1SUSE-SU-2024:1153-1
Published 25-12-2023Last modified 29-08-2024

Vulnerability summary

CVE-2023-51779 is a high (CVSS 7.0) Use After Free vulnerability in linux. EPSS estimates a 0.26% chance of exploitation in the next 30 days, higher than 17.5% of scored vulnerabilities.

Priority
Routine

Not severe (CVSS 7, local access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
7.0/10
010
High · v3.1 (CVE.org)
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 53 · Related 44
DLA-3841-1DSA-5593-1RHSA-2024:10941RHSA-2024:2394RHSA-2024:2950RHSA-2024:3138

Timeline

  1. 25-12-2023
    PublishedVulnerability first disclosed.
  2. 29-08-2024
    Last modifiedVulnerability information updated.

Description

bt_sock_recvmsg in net/bluetooth/af_bluetooth.c in the Linux kernel through 6.6.8 has a use-after-free because of a bt_sock_ioctl race condition.

CVSS metrics

4 scores · 4 sources · 1 version

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.

Ubuntu117 products
  • linuxAll versions (No fix recorded) | < 4.4.0-253.287 | < 4.15.0-224.236 | < 5.4.0-173.191 | < 5.15.0-100.110
  • linux-allwinner-5.19All versions (No fix recorded)
  • linux-aws< 4.4.0-1130.136 | < 4.4.0-1168.183 | < 4.15.0-1167.180 | < 5.4.0-1120.130 | < 5.15.0-1056.61
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
Suse3 products
  • kgraft-patch-SLE12-SP5_Update_40&distro=SUSE Linux Enterprise Live Patching 12 SP5< 13-2.3
  • kgraft-patch-SLE12-SP5_Update_47&distro=SUSE Linux Enterprise Live Patching 12 SP5< 7-2.2
  • kgraft-patch-SLE12-SP5_Update_48&distro=SUSE Linux Enterprise Live Patching 12 SP5< 6-2.2
Debian1 product
  • linux< 6.1.69-1 | < 6.6.9-1

3 vendors · 121 products

References

29 links
Show all 29 references