Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: netsched: skbprio: Removal of overly strict queue assertions. In the current implementation, the skbprio enqueue/dequeue operations contain assertions that fail under certain conditions when SKBPRIO is used as a child qdisc under...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: net/sched: clsapi: Fixed error handling that caused NULL dereference. The function tcfextsmisscookiebasealloc calls xaalloccyclic, which may return 1 if the allocation succeeds after wrapping. This was previously treated as an...

SUSE-SU-2025:01948-1 Security update for the Linux Kernel (Live Patch 8 for SLE 15 SP6)

This update for the Linux Kernel 6.4.0-1506002338 fixes several issues. The following security issues were fixed: - CVE-2025-21680: pktgen: Avoid out-of-bounds access in getimixentries bsc1236701. - CVE-2024-58013: Bluetooth: MGMT: Fix slab-use-after-free Read in mgmtremoveadvmonitorsync...

SUSE-SU-2025:20399-1 Security update for kernel-livepatch-MICRO-6-0_Update_5

This update for kernel-livepatch-MICRO-6-0Update5 fixes the following issues: - CVE-2025-21680: pktgen: avoid out-of-bounds access in getimixentries bsc1236701 - CVE-2024-58013: Bluetooth: MGMT: Fix slab-use-after-free Read in mgmtremoveadvmonitorsync bsc1239096 - CVE-2024-57996: netsched: schsfq...

Security update for kernel-livepatch-MICRO-6-0_Update_5

This update for kernel-livepatch-MICRO-6-0Update5 fixes the following issues: CVE-2025-21680: pktgen: avoid out-of-bounds access in getimixentries bsc1236701 CVE-2024-58013: Bluetooth: MGMT: Fix slab-use-after-free Read in mgmtremoveadvmonitorsync bsc1239096 CVE-2024-57996: netsched: schsfq: don'...

Security update for kernel-livepatch-MICRO-6-0_Update_4

This update for kernel-livepatch-MICRO-6-0Update4 fixes the following issues: CVE-2025-21680: pktgen: avoid out-of-bounds access in getimixentries bsc1236701 CVE-2024-58013: Bluetooth: MGMT: Fix slab-use-after-free Read in mgmtremoveadvmonitorsync bsc1239096 CVE-2024-57996: netsched: schsfq: don'...

SUSE-SU-2025:20386-1 Security update for kernel-livepatch-MICRO-6-0_Update_2

This update for kernel-livepatch-MICRO-6-0Update2 fixes the following issues: - CVE-2024-49855: nbd: fix race between timeout and normal completion bsc1232900 - CVE-2025-21680: pktgen: avoid out-of-bounds access in getimixentries bsc1236701 - CVE-2024-58013: Bluetooth: MGMT: Fix slab-use-after-fr...

SUSE-SU-2025:20383-1 Security update for kernel-livepatch-MICRO-6-0-RT_Update_5

This update for kernel-livepatch-MICRO-6-0-RTUpdate5 fixes the following issues: - CVE-2025-21680: pktgen: avoid out-of-bounds access in getimixentries bsc1236701 - CVE-2024-58013: Bluetooth: MGMT: Fix slab-use-after-free Read in mgmtremoveadvmonitorsync bsc1239096 - CVE-2024-57996: netsched:...

SUSE-SU-2025:20381-1 Security update for kernel-livepatch-MICRO-6-0-RT_Update_2

This update for kernel-livepatch-MICRO-6-0-RTUpdate2 fixes the following issues: - CVE-2024-49855: nbd: fix race between timeout and normal completion bsc1232900 - CVE-2025-21680: pktgen: avoid out-of-bounds access in getimixentries bsc1236701 - CVE-2024-58013: Bluetooth: MGMT: Fix...

Security update for the Linux Kernel RT (Live Patch 8 for SLE 15 SP6)

This update for the Linux Kernel 6.4.0-1506001026 fixes several issues. The following security issues were fixed: CVE-2025-21680: pktgen: Avoid out-of-bounds access in getimixentries bsc1236701. CVE-2024-58013: Bluetooth: MGMT: Fix slab-use-after-free Read in mgmtremoveadvmonitorsync bsc1239096...

Security update for the Linux Kernel RT (Live Patch 9 for SLE 15 SP6)

This update for the Linux Kernel 6.4.0-1506001029 fixes one issue. The following security issue was fixed: CVE-2024-57996: netsched: schsfq: do not allow 1 packet limit bsc1239077. Patch Instructions: To install this SUSE update use the SUSE recommended installation methods like YaST onlineupdate...

SUSE CVE-2025-37992

In the Linux kernel, the following vulnerability has been resolved: netsched: Flush gsoskb list too during -change Previously, when reducing a qdisc's limit via the -change operation, only the main skb queue was trimmed, potentially leaving packets in the gsoskb list. This could result in NULL...

SUSE CVE-2025-37913

In the Linux kernel, the following vulnerability has been resolved: netsched: qfq: Fix double list add in class with netem as child qdisc As described in Gerrard's report 1, there are use cases where a netem child qdisc will make the parent qdisc's enqueue callback reentrant. In the case of qfq,...

DEBIAN-CVE-2025-37914

In the Linux kernel, the following vulnerability has been resolved: netsched: ets: Fix double list add in class with netem as child qdisc As described in Gerrard's report 1, there are use cases where a netem child qdisc will make the parent qdisc's enqueue callback reentrant. In the case of ets,...

UBUNTU-CVE-2025-37915

In the Linux kernel, the following vulnerability has been resolved: netsched: drr: Fix double list add in class with netem as child qdisc As described in Gerrard's report 1, there are use cases where a netem child qdisc will make the parent qdisc's enqueue callback reentrant. In the case of drr,...

UBUNTU-CVE-2025-37914

In the Linux kernel, the following vulnerability has been resolved: netsched: ets: Fix double list add in class with netem as child qdisc As described in Gerrard's report 1, there are use cases where a netem child qdisc will make the parent qdisc's enqueue callback reentrant. In the case of ets,...

DEBIAN-CVE-2025-37890

In the Linux kernel, the following vulnerability has been resolved: netsched: hfsc: Fix a UAF vulnerability in class with netem as child qdisc As described in Gerrard's report 1, we have a UAF case when an hfsc class has a netem child qdisc. The crux of the issue is that hfsc is assuming that...

kernel: net/sched: sch_api: fix xa_insert() error path in tcf_block_get_ext()

In the Linux kernel, the following vulnerability has been resolved: net/sched: schapi: fix xainsert error path in tcfblockgetext This command: $ tc qdisc replace dev eth0 ingressblock 1 egressblock 1 clsact Error: block dev insert failed: -EBUSY. fails because user space requests the same block...

The vulnerability of the net_sched component in the net/sched/sch_sfq.c module of the Linux operating system allows a hacker to execute arbitrary code.

The vulnerability of the netsched component in the net/sched/schsfq.c module of the Linux operating system is related to incorrect calculation of the index. Exploiting this vulnerability allows a remote attacker to execute arbitrary code...

SUSE CVE-2020-36791

In the Linux kernel, the following vulnerability has been resolved: netsched: keep allochash updated after hash allocation In commit 599be01ee567 "netsched: fix an OOB access in clstcindex" I moved cp-hash calculation before the first tcindexallocperfecthash, but cp-allochash is left untouched...