7.8

CVE-2026-64011: linux Use After Free

CVSS: 7.8v3.1HighAnalyzed
AliasesUBUNTU-CVE-2026-64011DEBIAN-CVE-2026-64011
Published 19-07-2026Last modified 05-08-2026
Open JSON

Vulnerability summary

CVE-2026-64011 is a high (CVSS 7.8) Use After Free vulnerability in linux. EPSS estimates a 0.13% chance of exploitation in the next 30 days, higher than 2% of scored vulnerabilities.

Overall risk
31/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.8/10
010
High · v3.1 (CVE.org)
EPSS score
0.13%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 155 · Related 155
OPENSUSE-SU-2026:21910-1SUSE-SU-2026:23477-1SUSE-SU-2026:23481-1SUSE-SU-2026:23528-1SUSE-SU-2026:23529-1SUSE-SU-2026:23881-1

Showing 100 of 155. Use Open JSON for the complete list.

Timeline

  1. 19-07-2026
    PublishedVulnerability first disclosed.
  2. 05-08-2026
    Last modifiedVulnerability information updated.

Description

In 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.

CVSS metrics

4 scores · 4 sources · 1 version

EPSS trend

Probability

0.13%

Chance of exploitation in the next 30 days

Percentile

2%

Versus all other CVEs

30-day change

0.00 pp

From 0.13% on 20-09-2026

20-09-202620-10-2026
EPSS score
0.13%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Ubuntu167 products
  • linuxAll versions (No fix recorded) | < 5.15.0-198.208 | < 6.8.0-146.146 | < 7.0.0-28.28
  • linux-allwinner-5.19All versions (No fix recorded)
  • linux-awsAll versions (No fix recorded) | < 5.15.0-1117.124 | < 6.8.0-1066.69 | < 7.0.0-1009.9
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
Linux2 products
  • linux≥ b4011239a08e7e6c2c6e970dfa9e8ecb73139261, < 89ba026747019ee643d29407435ddc118e6ca908 | ≥ b4011239a08e7e6c2c6e970dfa9e8ecb73139261, < fb29f6bbe433f3decad227588809636c25f2a287 | ≥ b4011239a08e7e6c2c6e970dfa9e8ecb73139261, < 2dfdaaf7d933b676124aadec6698825e95f94fe9 | ≥ b4011239a08e7e6c2c6e970dfa9e8ecb73139261, < e00f50f8697724a6f1d2d35744c1332c9912dac5 | ≥ b4011239a08e7e6c2c6e970dfa9e8ecb73139261, < cdc17e09a636c7f936f771902535a7515a7608fc | ≥ b4011239a08e7e6c2c6e970dfa9e8ecb73139261, < 912ebc49d4406a17fe73e5671d674fbc2f6b2634 | ≥ b4011239a08e7e6c2c6e970dfa9e8ecb73139261, < bc421d0826dedbba37580a25405eafb599e76d42 | ≥ b4011239a08e7e6c2c6e970dfa9e8ecb73139261, < f4268b466190dae95a7585f69b4f1f8ad097632c | da989ee1c7702050741a551df6866cc1588f277b | ≥ 3.10.10, < 3.11 | 3.11
  • linux_kernel≥ 3.10.10, < 5.10.259 | ≥ 5.11, < 5.15.210 | ≥ 5.16, < 6.1.176 | ≥ 6.2, < 6.6.143 | ≥ 6.7, < 6.12.93 | ≥ 6.13, < 6.18.35 | ≥ 6.19, < 7.0.12 | 7.1:rc1 | 7.1:rc2 | 7.1:rc3 | 7.1:rc4 | 7.1:rc5
Debian1 product
  • linux< 6.1.176-1 | < 6.12.94-1 | < 7.0.12-1

3 vendors · 170 products

References

32 links
Show all 32 references