5.5

CVE-2026-23335: linux

CVSS: 5.5v3.1MediumModified
AliasesUBUNTU-CVE-2026-23335DEBIAN-CVE-2026-23335
Published 25-03-2026Last modified 15-10-2026
Open JSON

Vulnerability summary

CVE-2026-23335 is a medium (CVSS 5.5) vulnerability in linux. EPSS estimates a 0.13% chance of exploitation in the next 30 days, higher than 2.2% of scored vulnerabilities.

Overall risk
22/100
0100
Low · default modelHow is this calculated?
CVSS score
5.5/10
010
Medium · v3.1 (NVD)
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 36 · Related 34
MGASA-2026-0097MGASA-2026-0098OPENSUSE-SU-2026:20572-1SUSE-SU-2026:21114-1SUSE-SU-2026:21123-1SUSE-SU-2026:21230-1

Timeline

  1. 25-03-2026
    PublishedVulnerability first disclosed.
  2. 15-10-2026
    Last modifiedVulnerability information updated.

Description

In the Linux kernel, the following vulnerability has been resolved: RDMA/irdma: Fix kernel stack leak in irdma_create_user_ah() struct irdma_create_ah_resp { // 8 bytes, no padding __u32 ah_id; // offset 0 - SET (uresp.ah_id = ah->sc_ah.ah_info.ah_idx) __u8 rsvd[4]; // offset 4 - NEVER SET <- LEAK }; rsvd[4]: 4 bytes of stack memory leaked unconditionally. Only ah_id is assigned before ib_respond_udata(). The reserved members of the structure were not zeroed.

CVSS metrics

3 scores · 3 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 19-09-2026

19-09-202619-10-2026
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

Ubuntu145 products
  • linux< 5.15.0-186.196 | < 6.8.0-136.136 | All versions (No fix recorded)
  • linux-allwinner-5.19All versions (No fix recorded)
  • linux-aws< 5.15.0-1112.119 | < 6.8.0-1061.64 | All versions (No fix recorded)
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
Linux2 products
  • linux≥ b48c24c2d710cf34810c555dcef883a3d35a9c08, < 1f70df004fdd944653013ccc2e1dfd472a693b46 | ≥ b48c24c2d710cf34810c555dcef883a3d35a9c08, < 14b47c07c69930254f549a17ee245c80a65b1609 | ≥ b48c24c2d710cf34810c555dcef883a3d35a9c08, < 1b1fac4c7a3ab7f52e9cfb91e5c91216646ca4d8 | ≥ b48c24c2d710cf34810c555dcef883a3d35a9c08, < 2fd37450d271d74b3847baed284f9cfdf198c6f8 | ≥ b48c24c2d710cf34810c555dcef883a3d35a9c08, < cfe962216c164fe2b1c1fb6ac925a7413f5abc84 | ≥ b48c24c2d710cf34810c555dcef883a3d35a9c08, < c9bd0007c4bdb7806bbd323287e50f9cf467c51a | ≥ b48c24c2d710cf34810c555dcef883a3d35a9c08, < 74586c6da9ea222a61c98394f2fc0a604748438c | 5.14
  • linux_kernelEOL≥ 5.14.1, < 5.15.203 | ≥ 5.16, < 6.1.167 | ≥ 6.2, < 6.6.130 | ≥ 6.7, < 6.12.77 | ≥ 6.13, < 6.18.17 | ≥ 6.19, < 6.19.7 | 5.14 | 7.0:rc1 | 7.0:rc2 | 7.0:rc3 | 7.0:rc4 | 7.0:rc5 | 7.0:rc6 | 7.0:rc7
Debian1 product
  • linux< 6.1.170-1 | < 6.12.85-1 | < 6.19.8-1

3 vendors · 148 products

References

41 links
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