389 matches found
DEBIAN-CVE-2025-37798
In the Linux kernel, the following vulnerability has been resolved: codel: remove sch-q.qlen check before qdisctreereducebacklog After making all -qlennotify callbacks idempotent, now it is safe to remove the check of qlen!=0 from both fqcodeldequeue and codelqdiscdequeue...
DEBIAN-CVE-2025-37797
In the Linux kernel, the following vulnerability has been resolved: netsched: hfsc: Fix a UAF vulnerability in class handling This patch fixes a Use-After-Free vulnerability in the HFSC qdisc class handling. The issue occurs due to a time-of-check/time-of-use condition in hfscchangeclass when...
AZL-69725 CVE-2025-37798 affecting package kernel for versions less than 5.15.200.1-1
In the Linux kernel, the following vulnerability has been resolved: codel: remove sch-q.qlen check before qdisctreereducebacklog After making all -qlennotify callbacks idempotent, now it is safe to remove the check of qlen!=0 from both fqcodeldequeue and codelqdiscdequeue...
CVE-2025-37797 net_sched: hfsc: Fix a UAF vulnerability in class handling
In the Linux kernel, the following vulnerability has been resolved: netsched: hfsc: Fix a UAF vulnerability in class handling This patch fixes a Use-After-Free vulnerability in the HFSC qdisc class handling. The issue occurs due to a time-of-check/time-of-use condition in hfscchangeclass when...
UBUNTU-CVE-2022-49921
In the Linux kernel, the following vulnerability has been resolved: net: sched: Fix use after free in redenqueue We can't use "skb" again after passing it to qdiscenqueue. This is basically identical to commit 2f09707d0c97 "schsfb: Also store skb len before calling child enqueue"...
SUSE CVE-2025-22061
In the Linux kernel, the following vulnerability has been resolved: net: airoha: Fix qid report in airohatcgethtbgetleafqueue Fix the following kernel warning deleting HTB offloaded leafs and/or root HTB qdisc in airohaeth driver properly reporting qid in airohatcgethtbgetleafqueue routine. $tc...
UBUNTU-CVE-2025-22061
In the Linux kernel, the following vulnerability has been resolved: net: airoha: Fix qid report in airohatcgethtbgetleafqueue Fix the following kernel warning deleting HTB offloaded leafs and/or root HTB qdisc in airohaeth driver properly reporting qid in airohatcgethtbgetleafqueue routine. $tc...
DEBIAN-CVE-2023-53021
In the Linux kernel, the following vulnerability has been resolved: net/sched: schtaprio: fix possible use-after-free syzbot reported a nasty crash 1 in nettxaction which made little sense until we got a repro. This repro installs a taprio qdisc, but providing an invalid TCARATE attribute...
net: sched: fix ets qdisc OOB Indexing
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net/sched: netem: account for backlog updates from child qdisc
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kernel: net: avoid potential underflow in qdisc_pkt_len_init() with UFO
In the Linux kernel, the following vulnerability has been resolved: net: avoid potential underflow in qdiscpktleninit with UFO After commit 7c6d2ecbda83 "net: be more gentle about silly gso requests coming from user" virtionethdrtoskb had sanity check to detect malicious attempts from user space ...
UBUNTU-CVE-2025-21700
In the Linux kernel, the following vulnerability has been resolved: net: sched: Disallow replacing of child qdisc from one parent to another Lion Ackermann was able to create a UAF which can be abused for privilege escalation with the following script Step 1. create root qdisc tc qdisc add dev lo...
Astra Linux – Vulnerability in Linux 6.1
In the Linux kernel, the following vulnerability has been resolved: net/sched: netem: account for backlog updates from child qdisc Generally, the qlen of any classful qdisc should reflect the number of packets held by the qdisc itself and all its children. In the case of netem, qlen only accounts...
DEBIAN-CVE-2024-56770
In the Linux kernel, the following vulnerability has been resolved: net/sched: netem: account for backlog updates from child qdisc In general, 'qlen' of any classful qdisc should keep track of the number of packets that the qdisc itself and all of its children holds. In case of netem, 'qlen' only...
PT-2025-36272
Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A flaw exists in the Linux kernel's networking scheduler related to backlog accounting within the qdisc dequeue internal function. This issue affects the hhf, fq, fq codel, and fq pie...
PT-2025-30871
Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A flaw exists in the Linux kernel’s networking subsystem related to traffic control net/sched. Specifically, the issue occurs when creating or modifying a queueing discipline qdisc with ...
PT-2025-33708
Name of the Vulnerable Software and Affected Versions: Linux kernel affected versions not specified Description: A flaw exists in the Linux kernel's net/sched subsystem related to the handling of netem network emulator queuing disciplines qdiscs. The duplication prevention logic within netem...
DEBIAN-CVE-2024-53164
In the Linux kernel, the following vulnerability has been resolved: net: sched: fix ordering of qlen adjustment Changes to sch-q.qlen around qdisctreereducebacklog need to happen before a call to said function because otherwise it may fail to notify parent qdiscs when the child is about to become...
UBUNTU-CVE-2024-53164
In the Linux kernel, the following vulnerability has been resolved: net: sched: fix ordering of qlen adjustment Changes to sch-q.qlen around qdisctreereducebacklog need to happen before a call to said function because otherwise it may fail to notify parent qdiscs when the child is about to become...
CVE-2024-45818
The hypervisor contains code to accelerate VGA memory accesses for HVM guests, when the virtual VGA is in "standard" mode. Locking involved there has an unusual discipline, leaving a lock acquired past the return from the function that acquired it. This behavior results in a problem when emulatin...