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CVE-2024-47723

jfs: fix out-of-bounds in dbNextAG() and diAlloc()

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: jfs: fix out-of-bounds in dbNextAG() and diAlloc() In dbNextAG() , there is no check for the case where bmp->db_numag is greater or same than MAXAG due to a polluted image, which causes an out-of-bounds. Therefore, a bounds check should be added in dbMount(). And in dbNextAG(), a check for the case where agpref is greater than bmp->db_numag should be added, so an out-of-bounds exception should be prevented. Additionally, a check for the case where agno is greater or same than MAXAG should be added in diAlloc() to prevent out-of-bounds.

Timeline

  1. CVE published
  2. CISA SSVC assessment

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

  3. Record last updated

Affected versions

  • Linux Linux

    From 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 · fixed in d1017d2a0f3f16dc1db5120e7ddbe7c6680425b0; From 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 · fixed in 5ad6284c8d433f8a213111c5c44ead4d9705b622; From 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 · fixed in 0338e66cba272351ca9d7d03f3628e390e70963b; From 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 · fixed in ead82533278502428883085a787d5a00f15e5eb9; From 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 · fixed in 6ce8b6ab44a8b5918c0ee373d4ad19d19017931b; From 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 · fixed in c1ba4b8ca799ff1d99d01f37d7ccb7d5ba5533d2; From 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 · fixed in 128d5cfdcf844cb690c9295a3a1c1114c21fc15a; From 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 · fixed in 96855f40e152989c9e7c20c4691ace5581098acc; From 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 · fixed in e63866a475562810500ea7f784099bfe341e761a

  • Linux Linux

    2.6.12

  • KernelLinux

    From 2.6.12 · 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