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CVE PROGRAM SOURCE RECORD7.8 High

CVE-2025-37798

codel: remove sch->q.qlen check before qdisc_tree_reduce_backlog()

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Status
Published
Published
Updated
Assigning organization
Linux

Description

In the Linux kernel, the following vulnerability has been resolved: codel: remove sch->q.qlen check before qdisc_tree_reduce_backlog() After making all ->qlen_notify() callbacks idempotent, now it is safe to remove the check of qlen!=0 from both fq_codel_dequeue() and codel_qdisc_dequeue().

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Linux Linux

Default version status: unaffected

  • 76e3cc126bb223013a6b9a0e2a51238d1ef2e409 to < 7a742a9506849d1c1aa71e36c89855ceddc7d58eaffected
  • 76e3cc126bb223013a6b9a0e2a51238d1ef2e409 to < cc71a757da78dd4aa1b4a9b19cb011833730ccf2affected
  • 76e3cc126bb223013a6b9a0e2a51238d1ef2e409 to < eda741fe155ddf5ecd2dd3bfbd4fc3c0c7dbb450affected
  • 76e3cc126bb223013a6b9a0e2a51238d1ef2e409 to < 829c49b6b2ff45b043739168fd1245e4e1a91a30affected
  • 76e3cc126bb223013a6b9a0e2a51238d1ef2e409 to < 2f9761a94bae33d26e6a81b31b36e7d776d93dc1affected
  • 76e3cc126bb223013a6b9a0e2a51238d1ef2e409 to < 4d55144b12e742404bb3f8fee6038bafbf45619daffected
  • 76e3cc126bb223013a6b9a0e2a51238d1ef2e409 to < e73c838c80dccb9e4f19becc11d9f3cb4a27d483affected
  • 76e3cc126bb223013a6b9a0e2a51238d1ef2e409 to < a57fe60ef4cf96bfbb6b58397ec28bdb5a5c6b31affected
  • 76e3cc126bb223013a6b9a0e2a51238d1ef2e409 to < 342debc12183b51773b3345ba267e9263bdfaaefaffected

Linux Linux

Default version status: affected

  • 3.5affected
  • 0 to < 3.5unaffected
  • 5.4.297 to ≤ 5.4.*unaffected
  • 5.10.241 to ≤ 5.10.*unaffected
  • 5.15.190 to ≤ 5.15.*unaffected
  • 6.1.135 to ≤ 6.1.*unaffected
  • 6.6.88 to ≤ 6.6.*unaffected
  • 6.12.24 to ≤ 6.12.*unaffected
  • 6.13.12 to ≤ 6.13.*unaffected
  • 6.14.3 to ≤ 6.14.*unaffected
  • 6.15 to ≤ *unaffected

References