What’s Vulnerable › Vulnerabilities

CVE-2024-49999: afs: Fix the setting of the server responding flag

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2024-10-21 · updated 2026-08-04

Description

In the Linux kernel, the following vulnerability has been resolved: afs: Fix the setting of the server responding flag In afs_wait_for_operation(), we set transcribe the call responded flag to the server record that we used after doing the fileserver iteration loop - but it's possible to exit the loop having had a response from the server that we've discarded (e.g. it returned an abort or we started receiving data, but the call didn't complete). This means that op->server might be NULL, but we don't check that before attempting to set the server flag.

Affected products

• Linux kernel: from 6.8 before 6.10.14; from 6.11 before 6.11.3; 6.12-rc1 — fixed in 6.10.14, 6.11.3

How to fix

Upgrade to a fixed version: Linux kernel 6.10.14, 6.11.3. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/3d51ab44123f35dd1d646d99a15ebef10f55e263
• https://git.kernel.org/stable/c/97c953572d98080c5f1486155350bb688041747a
• https://git.kernel.org/stable/c/ff98751bae40faed1ba9c6a7287e84430f7dec64

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