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CVE-2025-37823

net_sched: hfsc: Fix a potential UAF in hfsc_dequeue() too

Published
Last modified
published
Not listed in CISA KEV
Fix
Fixed in 5.4.293, 5.10.237, 5.15.181, 6.1.136, 6.6.89, 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: net_sched: hfsc: Fix a potential UAF in hfsc_dequeue() too Similarly to the previous patch, we need to safe guard hfsc_dequeue() too. But for this one, we don't have a reliable reproducer.

Timeline

  1. CVE published
  2. CISA SSVC assessment

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

  3. Record last updated

Affected versions

  • Linux Linux

    From 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 · fixed in 68f256305ceb426d545a0dc31f83c2ab1d211a1e; From 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 · fixed in 2f46d14919c39528c6e540ebc43f90055993eedc; From 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 · fixed in da7936518996d290e2fcfcaf6cd7e15bfd87804a; From 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 · fixed in 11bccb054c1462fb069219f8e98e97a5a730758e; From 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 · fixed in 76c4c22c2437d3d3880efc0f62eca06ef078d290; From 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 · fixed in c6f035044104c6ff656f4565cd22938dc892528c; From 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 · fixed in c6936266f8bf98a53f28ef9a820e6a501e946d09; From 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 · fixed in 6ccbda44e2cc3d26fd22af54c650d6d5d801addf

  • Linux Linux

    2.6.12

  • KernelLinux

    From 2.6.12 · fixed in 5.4.293; From 5.5.0 · fixed in 5.10.237; From 5.11.0 · fixed in 5.15.181; From 5.16.0 · fixed in 6.1.136; From 6.2.0 · fixed in 6.6.89; From 6.7.0 · fixed in 6.12.26; From 6.13.0 · fixed in 6.14.5

References 8

git.kernel.org