9.8

CVE-2024-35861: smb: client: fix potential UAF in cifs_signal_cifsd_for_reconnect()

Modified
AliasesUBUNTU-CVE-2024-35861DEBIAN-CVE-2024-35861
Published 19-05-2024Last modified 05-08-2026

Vulnerability summary

CVE-2024-35861 is a critical (CVSS 9.8) Use After Free vulnerability in linux. EPSS estimates a 0.66% chance of exploitation in the next 30 days, higher than 51.7% of scored vulnerabilities.

Priority
Prioritisesevere

Severe, CVSS 9.8 (CVE.org); no exploitation reported by the 5 checked sources; EPSS 1% (FIRST, 03-11-2026)

Source freshness unavailable

How is this decided?
CVSS score
9.8/10
010
Critical · v3.1 (CVE.org)
EPSS score
0.66%
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 126 · Related 125
RHSA-2024:9315SUSE-SU-2024:2008-1SUSE-SU-2024:2019-1SUSE-SU-2024:2135-1SUSE-SU-2024:2190-1SUSE-SU-2024:2203-1

Showing 100 of 126.

Timeline

  1. 19-05-2024
    PublishedVulnerability first disclosed.
  2. 05-08-2026
    Last modifiedVulnerability information updated.

Description

In the Linux kernel, the following vulnerability has been resolved: smb: client: fix potential UAF in cifs_signal_cifsd_for_reconnect() Skip sessions that are being teared down (status == SES_EXITING) to avoid UAF.

CVSS metrics

4 scores · 4 sources · 1 version

EPSS trend

Probability

0.66%

Chance of exploitation in the next 30 days

Percentile

52%

Versus all other CVEs

30-day change

No change 0.00 pp

From 0.66% 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: network-reachable, no authentication, no user interaction (CVSS vector). Other conditions: not stated in public data.

Ubuntu93 products
  • linux< 6.8.0-38.38
  • linux-allwinner-5.19All versions (No fix recorded)
  • linux-aws< 6.8.0-1011.12
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
Linux2 products
  • linux≥ dca65818c80cf06e0f08ba2cf94060a5236e73c2, < 7e8360ac8774e19b0b25f44fff84a105bb2417e4 | ≥ dca65818c80cf06e0f08ba2cf94060a5236e73c2, < 2cfff21732132e363b4cc275d63ea98f1af726c1 | ≥ dca65818c80cf06e0f08ba2cf94060a5236e73c2, < f9a96a7ad1e8d25dc6662bc7552e0752de74a20d | ≥ dca65818c80cf06e0f08ba2cf94060a5236e73c2, < e0e50401cc3921c9eaf1b0e667db174519ea939f | dd9ccff8c8980bf9ea7f25e83eeb28154f902920 | ≥ 5.17.2, < 5.18 | 5.18
  • linux_kernel≥ 5.17.2, < 6.1.85 | ≥ 6.2, < 6.6.26 | ≥ 6.7, < 6.8.5 | 6.9:rc1 | 6.9:rc2
Debian1 product
  • linux< 6.1.85-1 | < 6.8.9-1

3 vendors · 96 products

References

12 links
Show all 12 references