CVE-2022-49097

NFS: Avoid writeback threads getting stuck in mempool_alloc()

MEDIUM

5.5

CVSS Score

Published: February 26, 2025 at 01:54 AM UTC

Updated: June 17, 2026 at 05:17 AM UTC

1 product affected across 1 vendorLinux Kernel

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Severity

MEDIUM5.5

Exploit prediction

EPSS 0.3%

Description

In the Linux kernel, the following vulnerability has been resolved: NFS: Avoid writeback threads getting stuck in mempool_alloc() In a low memory situation, allow the NFS writeback code to fail without getting stuck in infinite loops in mempool_alloc().

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Linux Kernel · Linux

95%

v < 5.10.1115.11 ≤ v < 5.15.345.16 ≤ v < 5.16.205.17 ≤ v < 5.17.35.3 ≤ v < 5.10.1115.3 ≤ v < 5.15.345.3 ≤ v < 5.16.205.3 ≤ v < 5.17.35.3 ≤ v < 5.182b17d725f9be59a1bfa0583af690c463fca1f3855.3

Vendor states this is fixed in 0bae835b63c53f86cdc524f5962e39409585b22c (fixed)

Vendor states this is fixed in 1b3fa9a3c420c31e77b406ddc28f3a627100516c (fixed)

Vendor states this is fixed in a6caeddd68977a1aaaf62fbd1955b41dd5c3c5d3 (fixed)

Vendor states this is fixed in c74e2f6ecc51bd08bb5b0335477dba954a50592e (fixed)

Vendor states this is fixed in ea029e4ce760f786919d06ef52efa2e50ea92a5f (fixed)

Vendor states this is fixed in 5.10.111 (unaffected)

Vendor states this is fixed in 5.15.34 (unaffected)

Vendor states this is fixed in 5.16.20 (unaffected)

Vendor states this is fixed in 5.17.3 (unaffected)

Vendor states this is fixed in 5.18 (unaffected)

Vendor states this is fixed in 5.3 (unaffected)