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CVE-2023-53695

udf: Detect system inodes linked into directory hierarchy

Published
Last modified
published
Not listed in CISA KEV
Fix
Fixed in 3.18, 4.19.278, 5.4.235, 5.10.173, 5.15.99, and 2 more
None on Exploit-DB, Metasploit or GitHub
  • Exploitation: none
  • Automatable: no
  • Technical impact: total

Summary

In the Linux kernel, the following vulnerability has been resolved: udf: Detect system inodes linked into directory hierarchy When UDF filesystem is corrupted, hidden system inodes can be linked into directory hierarchy which is an avenue for further serious corruption of the filesystem and kernel confusion as noticed by syzbot fuzzed images. Refuse to access system inodes linked into directory hierarchy and vice versa.

Timeline

  1. CVE published
  2. CISA SSVC assessment

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

  3. Record last updated

Affected versions

  • Linux Linux

    From 6174c2eb8ecef271159bdcde460ce8af54d8f72f · fixed in 1dc71eeb198a8daa17d0c995998a53b0b749a158; From 6174c2eb8ecef271159bdcde460ce8af54d8f72f · fixed in d747b31e2925a2f384e7dd1901a2e5bc5f984ed8; From 6174c2eb8ecef271159bdcde460ce8af54d8f72f · fixed in a44ec34b90440ada190924f5908b97026504fdcd; From 6174c2eb8ecef271159bdcde460ce8af54d8f72f · fixed in 37e74003d81e79457535cbbdfa1603431c03fac0; From 6174c2eb8ecef271159bdcde460ce8af54d8f72f · fixed in 1f328751b65c49c13a312d67a3bf27766b85baf7; From 6174c2eb8ecef271159bdcde460ce8af54d8f72f · fixed in 9e3b5ef7d02eaa6553e79b4af9bd99227280f245; From 6174c2eb8ecef271159bdcde460ce8af54d8f72f · fixed in 85a37983ec69cc9fcd188bc37c4de15ee326355a; From 3.17.2 · fixed in 3.18

  • Linux Linux

    3.18

  • KernelLinux

    From 3.18.0 · fixed in 4.19.278; From 4.20.0 · fixed in 5.4.235; From 5.5.0 · fixed in 5.10.173; From 5.11.0 · fixed in 5.15.99; From 5.16.0 · fixed in 6.1.16; From 6.2.0 · fixed in 6.2.3

References 7

git.kernel.org