CVE-2026-43268: linux kernel — Fix

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.

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CVSS v3.1 Score

5.5

MEDIUM

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

EPSS — Exploit Prediction

0.0001

Probability of exploitation

0.02%

Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

Affected Products

Vendor	Product	Versions
linux	linux_kernel	2.6.12.1 — 5.10.252
linux	linux_kernel	5.11 — 5.15.202
linux	linux_kernel	5.16 — 6.1.165
linux	linux_kernel	6.2 — 6.6.128
linux	linux_kernel	6.7 — 6.12.75
linux	linux_kernel	6.13 — 6.18.16
linux	linux_kernel	6.19 — 6.19.6
linux	linux_kernel	All
linux	linux_kernel	All
linux	linux_kernel	All
linux	linux_kernel	All
linux	linux_kernel	All
linux	linux_kernel	All

References

Advisories & Patches

https://git.kernel.org/stable/c/67407d6abc9520a8a4661285b3ed294eb73ff6e7 https://git.kernel.org/stable/c/676bc99d0b3e356cdfec5d8204518e1aac14ec84 https://git.kernel.org/stable/c/799c492a619a10322543d13e6d2a6d27335c868c https://git.kernel.org/stable/c/9353d4ee26dc33f6ada1646e84660f4c59189763 https://git.kernel.org/stable/c/d209ebaee93fc5089101d34d1b38a91d7abb03fd https://git.kernel.org/stable/c/dcac5582f90b55a267d89769073c5651990b2ec5 https://git.kernel.org/stable/c/de9affb698d5034888314880736925c39d6d048e https://git.kernel.org/stable/c/ed8889ca21b6ab37bc1435c4009ce37a79acb9e6

Frequently Asked Questions

What is CVE-2026-43268? +

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. It has a CVSS v3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2026-43268? +

CVE-2026-43268 has a CVSS v3.1 score of 5.5 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance. The EPSS score is 0.0001, placing it in the 0th percentile for exploitation probability.

What products are affected by CVE-2026-43268? +

CVE-2026-43268 affects products from linux, specifically: linux_kernel. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2026-43268? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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CVE-2026-43268