5.5

CVE-2026-43268: linux

CVSS: 5.5v3.1MediumAnalyzed
AliasesUBUNTU-CVE-2026-43268DEBIAN-CVE-2026-43268
Published 06-05-2026Last modified 11-05-2026
Open JSON

Vulnerability summary

CVE-2026-43268 is a medium (CVSS 5.5) vulnerability in linux. EPSS estimates a 0.16% chance of exploitation in the next 30 days, higher than 5.1% 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
0.16%
0%100%
Low · +0.04 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 26 · Related 26
SUSE-SU-2026:3594-1USN-8492-1USN-8492-2USN-8492-3USN-8492-4USN-8492-5

Timeline

  1. 06-05-2026
    PublishedVulnerability first disclosed.
  2. 11-05-2026
    Last modifiedVulnerability information updated.

Description

In the Linux kernel, the following vulnerability has been resolved: hfsplus: pretend special inodes as regular files Since commit af153bb63a33 ("vfs: catch invalid modes in may_open()") requires any inode be one of S_IFDIR/S_IFLNK/S_IFREG/S_IFCHR/S_IFBLK/ S_IFIFO/S_IFSOCK type, use S_IFREG for special inodes.

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.16%

Chance of exploitation in the next 30 days

Percentile

5%

Versus all other CVEs

30-day change

+0.04 pp

From 0.12% on 21-09-2026

21-09-202621-10-2026
EPSS score
0.16%

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

No weakness data has been published for this record.

Affected systems

Ubuntu157 products
  • linuxAll versions (No fix recorded) | < 5.15.0-186.196 | < 6.8.0-134.134
  • linux-allwinner-5.19All versions (No fix recorded)
  • linux-awsAll versions (No fix recorded) | < 5.15.0-1112.119 | < 6.8.0-1060.63
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
Linux2 products
  • linux≥ 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, < dcac5582f90b55a267d89769073c5651990b2ec5 | ≥ 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, < 799c492a619a10322543d13e6d2a6d27335c868c | ≥ 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, < 676bc99d0b3e356cdfec5d8204518e1aac14ec84 | ≥ 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, < de9affb698d5034888314880736925c39d6d048e | ≥ 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, < d209ebaee93fc5089101d34d1b38a91d7abb03fd | ≥ 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, < 67407d6abc9520a8a4661285b3ed294eb73ff6e7 | ≥ 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, < 9353d4ee26dc33f6ada1646e84660f4c59189763 | ≥ 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, < ed8889ca21b6ab37bc1435c4009ce37a79acb9e6 | 2.6.12
  • linux_kernel≥ 2.6.12.1, < 5.10.252 | ≥ 5.11, < 5.15.202 | ≥ 5.16, < 6.1.165 | ≥ 6.2, < 6.6.128 | ≥ 6.7, < 6.12.75 | ≥ 6.13, < 6.18.16 | ≥ 6.19, < 6.19.6 | 2.6.12 | 2.6.12:rc2 | 2.6.12:rc3 | 2.6.12:rc4 | 2.6.12:rc5 | 2.6.12:rc6
Debian1 product
  • linux< 6.1.170-1 | < 6.12.85-1 | < 6.19.6-1

3 vendors · 160 products

References

37 links
Show all 37 references