CVE-2021-47419

In the Linux kernel, the following vulnerability has been resolved: net/sched: schtaprio: properly cancel timer from tapriodestroy There is a comment in qdisccreate about us not calling ops-reset in some cases. errout4: / Any broken qdiscs that would require a ops-reset here? The qdisc was never ...

UBUNTU-CVE-2021-47402

In the Linux kernel, the following vulnerability has been resolved: net: sched: flower: protect flwalk with rcu Patch that refactored flwalk to use idrforeachentrycontinueul also removed rcu protection of individual filters which causes following use-after-free when filter is deleted concurrently...

UBUNTU-CVE-2021-47295

In the Linux kernel, the following vulnerability has been resolved: net: sched: fix memory leak in tcindexpartialdestroywork Syzbot reported memory leak in tcindexsetparms. The problem was in non-freed perfect hash in tcindexpartialdestroywork. In tcindexsetparms new tcindexdata is allocated and...

UBUNTU-CVE-2021-47293

In the Linux kernel, the following vulnerability has been resolved: net/sched: actskbmod: Skip non-Ethernet packets Currently tcfskbmodact assumes that packets use Ethernet as their L2 protocol, which is not always the case. As an example, for CAN devices: $ ip link add dev vcan0 type vcan $ ip...

UBUNTU-CVE-2024-35893

In the Linux kernel, the following vulnerability has been resolved: net/sched: actskbmod: prevent kernel-infoleak syzbot found that tcfskbmoddump was copying four bytes from kernel stack to user space 1. The issue here is that 'struct tcskbmod' has a four bytes hole. We need to clear the structur...

SUSE CVE-2024-27010

In the Linux kernel, the following vulnerability has been resolved: net/sched: Fix mirred deadlock on device recursion When the mirred action is used on a classful egress qdisc and a packet is mirrored or redirected to self we hit a qdisc lock deadlock. See trace below. ..... other info removed f...

DEBIAN-CVE-2022-48644

In the Linux kernel, the following vulnerability has been resolved: net/sched: taprio: avoid disabling offload when it was never enabled In an incredibly strange API design decision, qdisc-destroy gets called even if qdisc-init never succeeded, not exclusively since commit 87b60cfacf9f "netsched:...

UBUNTU-CVE-2022-48644

In the Linux kernel, the following vulnerability has been resolved: net/sched: taprio: avoid disabling offload when it was never enabled In an incredibly strange API design decision, qdisc-destroy gets called even if qdisc-init never succeeded, not exclusively since commit 87b60cfacf9f "netsched:...

SUSE CVE-2024-26739

In the Linux kernel, the following vulnerability has been resolved: net/sched: actmirred: don't override retval if we already lost the skb If we're redirecting the skb, and haven't called tcfmirredforward, yet, we need to tell the core to drop the skb by setting the retcode to SHOT. If we have...

DEBIAN-CVE-2024-26739

In the Linux kernel, the following vulnerability has been resolved: net/sched: actmirred: don't override retval if we already lost the skb If we're redirecting the skb, and haven't called tcfmirredforward, yet, we need to tell the core to drop the skb by setting the retcode to SHOT. If we have...

AZL-58750 CVE-2024-26669 affecting package kernel 5.15.200.1-1

In the Linux kernel, the following vulnerability has been resolved: net/sched: flower: Fix chain template offload When a qdisc is deleted from a net device the stack instructs the underlying driver to remove its flow offload callback from the associated filter block using the 'FLOWBLOCKUNBIND'...

UBUNTU-CVE-2024-26669

In the Linux kernel, the following vulnerability has been resolved: net/sched: flower: Fix chain template offload When a qdisc is deleted from a net device the stack instructs the underlying driver to remove its flow offload callback from the associated filter block using the 'FLOWBLOCKUNBIND'...

DEBIAN-CVE-2021-47175

In the Linux kernel, the following vulnerability has been resolved: net/sched: fqpie: fix OOB access in the traffic path the following script: tc qdisc add dev eth0 handle 0x1 root fqpie flows 2 tc qdisc add dev eth0 clsact tc filter add dev eth0 egress matchall action skbedit priority 0x10002 pi...

kernel: net/sched: sch_hfsc UAF

A use-after-free flaw was found in the Linux kernel's net/sched: schhfsc HFSC qdisc traffic control component that can be exploited to achieve local privilege escalation. If a class with a link-sharing curve, for example, with the HFSCFSC flag set, has a parent without a link-sharing curve, then...

kernel: net/sched: sch_hfsc UAF

A use-after-free flaw was found in the Linux kernel's net/sched: schhfsc HFSC qdisc traffic control component that can be exploited to achieve local privilege escalation. If a class with a link-sharing curve, for example, with the HFSCFSC flag set, has a parent without a link-sharing curve, then...

CLSA-2024-1709204660 kernel: Fix of 7 CVEs

KVM: nSVM: avoid picking up unsupported bits from L2 in intctl CVE-2021-3653 CVE-2021-3653 - xen/netfront: fix leaking data in shared pages CVE-2022-33740 - xfs: fix up non-directory creation in SGID directories CVE-2021-4037 - netsched: clsroute: remove from list when handle is 0 CVE-2022-2588 -...

CLSA-2024-1709203226 kernel: Fix of 7 CVEs

KVM: nSVM: avoid picking up unsupported bits from L2 in intctl CVE-2021-3653 CVE-2021-3653 - xen/netfront: fix leaking data in shared pages CVE-2022-33740 - xfs: fix up non-directory creation in SGID directories CVE-2021-4037 - netsched: clsroute: remove from list when handle is 0 CVE-2022-2588 -...

DEBIAN-CVE-2021-47014

In the Linux kernel, the following vulnerability has been resolved: net/sched: actct: fix wild memory access when clearing fragments while testing re-assembly/re-fragmentation using actct, it's possible to observe a crash like the following one: KASAN: maybe wild-memory-access in range...

UBUNTU-CVE-2021-46954

In the Linux kernel, the following vulnerability has been resolved: net/sched: schfrag: fix stack OOB read while fragmenting IPv4 packets when 'actmirred' tries to fragment IPv4 packets that had been previously re-assembled using 'actct', splats like the following can be observed on kernels built...

kernel: net/sched: sch_hfsc UAF

A use-after-free flaw was found in the Linux kernel's net/sched: schhfsc HFSC qdisc traffic control component that can be exploited to achieve local privilege escalation. If a class with a link-sharing curve, for example, with the HFSCFSC flag set, has a parent without a link-sharing curve, then...