In the Linux kernel, the following vulnerability has been resolved: net_sched: hfsc: Address reentrant enqueue adding class to eltree twice Savino says: "We are writing to report that this rece…
Summary
In the Linux kernel, the following vulnerability has been resolved: net_sched: hfsc: Address reentrant enqueue adding class to eltree twice Savino says: "We are writing to report that this recent patch (141d34391abbb315d68556b7c67ad97885407547) [1] can be bypassed, and a UAF can still occur when HFSC is utilized with NETEM. The patch only checks the cl->cl_nactive field to determine whether it is the first insertion or not [2], but this field is only incremented b…
In-depth triage · Auto channel
No in-depth report has been generated yet (DR-003 v2 AI pipeline is under construction).
Affected products
- :
- :
Lint boundary warnings (2)
The following non-blocking warnings were raised during the lint phase of this triage (e.g. reference URLs not yet on the allowlist). They do not affect entry usability and are disclosed for transparency (see DR-002).
-
REF_URL_NOT_ALLOWLISTEDurl not in allowlist: https://syst3mfailure.io/rbtree-family-drama/ -
REF_URL_NOT_ALLOWLISTEDurl not in allowlist: https://syst3mfailure.io/rbtree-family-drama/
Sources
- NVD DATABASE
Original Links
- https://git.kernel.org/stable/c/295f7c579b07b5b7cf2dffe485f71cc2f27647cb Patch
- https://git.kernel.org/stable/c/2c928b3a0b04a431ffcd6c8b7d88a267124a3a28 Patch
- https://git.kernel.org/stable/c/2f2190ce4ca972051cac6a8d7937448f8cb9673c Patch
- https://git.kernel.org/stable/c/39ed887b1dd2d6b720f87e86692ac3006cc111c8 Patch
- https://git.kernel.org/stable/c/4e38eaaabfb7fffbb371a51150203e19eee5d70e Patch
- https://git.kernel.org/stable/c/6672e6c00810056acaac019fe26cdc26fee8a66c Patch
- https://git.kernel.org/stable/c/a0ec22fa20b252edbe070a9de8501eef63c17ef5 Patch
- https://git.kernel.org/stable/c/ac9fe7dd8e730a103ae4481147395cc73492d786 Patch
- https://git.kernel.org/stable/c/e5bee633cc276410337d54b99f77fbc1ad8801e5 Patch
- https://syst3mfailure.io/rbtree-family-drama/ Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2025/10/msg00007.html Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html Third Party Advisory
- https://syst3mfailure.io/rbtree-family-drama/ Third Party Advisory
Timeline
- nvd_ingest NVD