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CVE-2024-47737

nfsd: call cache_put if xdr_reserve_space returns NULL

Published
Last modified
published
Not listed in CISA KEV
Fix
Fixed in 4.19.323, 5.4.285, 5.10.227, 5.15.168, 6.1.113, and 3 more
None on Exploit-DB, Metasploit or GitHub
  • Exploitation: none
  • Automatable: no
  • Technical impact: partial

Summary

In the Linux kernel, the following vulnerability has been resolved: nfsd: call cache_put if xdr_reserve_space returns NULL If not enough buffer space available, but idmap_lookup has triggered lookup_fn which calls cache_get and returns successfully. Then we missed to call cache_put here which pairs with cache_get. Reviwed-by: Jeff Layton <jlayton@kernel.org>

Timeline

  1. CVE published
  2. CISA SSVC assessment

    Exploitation: none · Automatable: no · Technical impact: partial

  3. Record last updated

Affected versions

  • Linux Linux

    From ddd1ea56367202f6c99135cd59de7a97af4c4ffd · fixed in 3e8081ebff12bec1347deaceb6bce0765cce54df; From ddd1ea56367202f6c99135cd59de7a97af4c4ffd · fixed in c6b16e700cf4d959af524bd9d3978407ff7ce462; From ddd1ea56367202f6c99135cd59de7a97af4c4ffd · fixed in 9f03f0016ff797932551881c7e06ae50e9c39134; From ddd1ea56367202f6c99135cd59de7a97af4c4ffd · fixed in 9803ab882d565a8fb2dde5999d98866d1c499dfd; From ddd1ea56367202f6c99135cd59de7a97af4c4ffd · fixed in 81821617312988096f5deccf0f7da6f888e98056; From ddd1ea56367202f6c99135cd59de7a97af4c4ffd · fixed in a1afbbb5276f943ad7173d0b4c626b8c75a260da; From ddd1ea56367202f6c99135cd59de7a97af4c4ffd · fixed in e32ee6a61041925d1a05c14d10352dcfce9ef029; From ddd1ea56367202f6c99135cd59de7a97af4c4ffd · fixed in 8d0765f86135e27f0bb5c950c136495719b4c834; From ddd1ea56367202f6c99135cd59de7a97af4c4ffd · fixed in d078cbf5c38de83bc31f83c47dcd2184c04a50c7

  • Linux Linux

    3.16

  • KernelLinux

    From 3.16.0 · fixed in 4.19.323; From 4.20.0 · fixed in 5.4.285; From 5.5.0 · fixed in 5.10.227; From 5.11.0 · fixed in 5.15.168; From 5.16.0 · fixed in 6.1.113; From 6.2.0 · fixed in 6.6.54; From 6.7.0 · fixed in 6.10.13; From 6.11.0 · fixed in 6.11.2

References 9

git.kernel.org