5.5

CVE-2026-46012: rxrpc: Fix memory leaks in rxkad_verify_response()

Modified
AliasesUBUNTU-CVE-2026-46012DEBIAN-CVE-2026-46012
Published 27-05-2026Last modified 30-10-2026

Vulnerability summary

CVE-2026-46012 is a medium (CVSS 5.5) vulnerability in linux. EPSS estimates a 0.12% chance of exploitation in the next 30 days, higher than 2% of scored vulnerabilities.

Priority
Routine

Not severe (CVSS 5.5, local access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
5.5/10
010
Medium · v3.1 (NVD)
EPSS score
0.12%
0%100%
Low · -0.04 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 21 · Related 21
OPENSUSE-SU-2026:10954-1USN-8488-1USN-8488-2USN-8489-1USN-8507-1USN-8567-1

Timeline

  1. 27-05-2026
    PublishedVulnerability first disclosed.
  2. 30-10-2026
    Last modifiedVulnerability information updated.

Description

In the Linux kernel, the following vulnerability has been resolved: rxrpc: Fix memory leaks in rxkad_verify_response() Fix rxkad_verify_response() to free the ticket and the server key under all circumstances by initialising the ticket pointer to NULL and then making all paths through the function after the first allocation has been done go through a single common epilogue that just releases everything - where all the releases skip on a NULL pointer.

CVSS metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

0.12%

Chance of exploitation in the next 30 days

Percentile

2%

Versus all other CVEs

30-day change

Decrease -0.04 pp

From 0.16% 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.

Ubuntu147 products
  • linuxAll versions (No fix recorded) | < 6.8.0-136.136 | < 7.0.0-27.27
  • linux-allwinner-5.19All versions (No fix recorded)
  • linux-awsAll versions (No fix recorded) | < 6.8.0-1061.64 | < 7.0.0-1008.8
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
Linux2 products
  • linux≥ ec832bd06d6fdf08b0455ab7c2a7a9104e029638, < c14433e967cff95bebc77c9c4a2a0ed4e0e22783 | ≥ ec832bd06d6fdf08b0455ab7c2a7a9104e029638, < c4b8f32e73eafd4a5076be890c7c8506ec04567c | ≥ ec832bd06d6fdf08b0455ab7c2a7a9104e029638, < 852b9d64cea421336579b2de3d1338dfa677e2dd | ≥ ec832bd06d6fdf08b0455ab7c2a7a9104e029638, < 861b9a0a1823bf064a7b810d29502a9ef043f40f | ≥ ec832bd06d6fdf08b0455ab7c2a7a9104e029638, < c91f33fb8356dedc82bc56ce210f1a5dbee62a52 | ≥ ec832bd06d6fdf08b0455ab7c2a7a9104e029638, < 34f61a07e0cdefaecd3ec03bb5fb22215643678f | 5.11
  • linux_kernel≥ 5.11, < 6.6.140 | ≥ 6.7, < 6.12.86 | ≥ 6.13, < 6.18.27 | ≥ 6.19, < 7.0.4
Debian1 product
  • linuxAll versions (No fix recorded) | < 6.12.86-1 | < 7.0.4-1

3 vendors · 150 products

References

31 links
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