5.5

CVE-2023-52653: linux

CVSS: 5.5v3.1MediumAnalyzed
AliasesUBUNTU-CVE-2023-52653DEBIAN-CVE-2023-52653
Published 01-05-2024Last modified 11-05-2026

Vulnerability summary

CVE-2023-52653 is a medium (CVSS 5.5) vulnerability in linux. EPSS estimates a 0.27% chance of exploitation in the next 30 days, higher than 18.6% of scored vulnerabilities.

Overall risk
22/100
0100
Low · default modelHow is this calculated?
CVSS score
5.5/10
010
Medium · v3.1 (CVE.org)
EPSS score
0.27%
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 24 · Related 21

Timeline

  1. 01-05-2024
    PublishedVulnerability first disclosed.
  2. 11-05-2026
    Last modifiedVulnerability information updated.

Description

In the Linux kernel, the following vulnerability has been resolved: SUNRPC: fix a memleak in gss_import_v2_context The ctx->mech_used.data allocated by kmemdup is not freed in neither gss_import_v2_context nor it only caller gss_krb5_import_sec_context, which frees ctx on error. Thus, this patch reform the last call of gss_import_v2_context to the gss_krb5_import_ctx_v2, preventing the memleak while keepping the return formation.

CVSS metrics

4 scores · 4 sources · 1 version

EPSS trend

Probability

0.27%

Chance of exploitation in the next 30 days

Percentile

19%

Versus all other CVEs

30-day change

0.00 pp

From 0.27% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.27%

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

Ubuntu118 products
  • linuxAll versions (No fix recorded) | < 6.8.0-35.35
  • linux-allwinner-5.19All versions (No fix recorded)
  • linux-awsAll versions (No fix recorded) | < 6.8.0-1009.9
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
Linux2 products
  • linux≥ 47d84807762966c3611c38adecec6ea703ddda7a, < 99044c01ed5329e73651c054d8a4baacdbb1a27c | ≥ 47d84807762966c3611c38adecec6ea703ddda7a, < 47ac11db93e74ac49cd6c3fc69bcbc5964c4a8b4 | ≥ 47d84807762966c3611c38adecec6ea703ddda7a, < d111e30d9cd846bb368faf3637dc0f71fcbcf822 | ≥ 47d84807762966c3611c38adecec6ea703ddda7a, < e67b652d8e8591d3b1e569dbcdfcee15993e91fa | 2.6.35
  • linux_kernel≥ 2.6.35, < 6.6.23 | ≥ 6.7, < 6.7.11 | ≥ 6.8, < 6.8.2
Debian1 product
  • linuxAll versions (No fix recorded) | < 6.7.12-1

3 vendors · 121 products

References

13 links
Show all 13 references