What’s Vulnerable › Vulnerabilities

CVE-2024-50179: ceph: remove the incorrect Fw reference check when dirtying pages

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2024-11-08 · updated 2026-06-17

Description

In the Linux kernel, the following vulnerability has been resolved: ceph: remove the incorrect Fw reference check when dirtying pages When doing the direct-io reads it will also try to mark pages dirty, but for the read path it won't hold the Fw caps and there is case will it get the Fw reference.

Affected products

• Linux kernel: from 4.2 before 4.19.323; from 4.20 before 5.4.285; from 5.5 before 5.10.227; from 5.11 before 5.15.168; from 5.16 before 6.1.113; from 6.2 before 6.6.55 — fixed in 4.19.323, 5.10.227, 5.15.168, 5.4.285, 6.1.113, 6.10.14

How to fix

Upgrade to a fixed version: Linux kernel 4.19.323, 5.10.227, 5.15.168, 5.4.285. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/11ab19d48ab877430eed0c7d83810970bbcbc4f6
• https://git.kernel.org/stable/c/126b567a2ef65fc38a71d832bf1216c56816f231
• https://git.kernel.org/stable/c/74b302ebad5b43ac17460fa58092d892a3cba6eb
• https://git.kernel.org/stable/c/9d4f619153bab7fa59736462967821d6521a38cb
• https://git.kernel.org/stable/c/c08dfb1b49492c09cf13838c71897493ea3b424e
• https://git.kernel.org/stable/c/c26c5ec832dd9e9dcd0a0a892a485c99889b68f0
• https://git.kernel.org/stable/c/ea98284fc4fb05f276737d2043b02b62be5a8dfb
• https://git.kernel.org/stable/c/f55e003d261baa7c57d51ae5c8ec1f5c26a35c89
• https://git.kernel.org/stable/c/f863bfd0a2c6c99011c62ea71ac04f8e78707da9
• https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html
• https://lists.debian.org/debian-lts-announce/2025/03/msg00002.html

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