kernel: net/sched: cls_u32: use skb_header_pointer_careful()

In the Linux kernel, the following vulnerability has been resolved: net/sched: clsu32: use skbheaderpointercareful skbheaderpointer does not fully validate negative @offset values. Use skbheaderpointercareful instead. GangMin Kim provided a report and a repro fooling u32classify: BUG: KASAN:...

SUSE-SU-2026:21123-1 Security update for the Linux Kernel

The SUSE Linux Enterprise Micro 6.0 and 6.1 kernel was updated to receive various security bugfixes. The following security bugs were fixed: - CVE-2024-38542: RDMA/manaib: boundary check before installing cq callbacks bsc1226591. - CVE-2025-39817: efivarfs: Fix slab-out-of-bounds in...

Unity Linux 20.1050e Security Update: kernel (UTSA-2026-006722)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-006722 advisory. In the Linux kernel, the following vulnerability has been resolved: xfrm: fix slab-use-after-free in decodesession6 When the xfrm device is set to the qdisc of the s...

Unity Linux 20.1050e Security Update: kernel (UTSA-2026-006721)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-006721 advisory. In the Linux kernel, the following vulnerability has been resolved: tunnels: fix kasan splat when generating ipv4 pmtu error If we try to emit an icmp error in...

Unity Linux 20.1050e Security Update: kernel (UTSA-2026-006738)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-006738 advisory. In the Linux kernel, the following vulnerability has been resolved: ipvti: fix potential slab-use-after-free in decodesession6 When ipvti device is set to the qdisc ...

Unity Linux 20.1050e Security Update: kernel (UTSA-2026-006760)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-006760 advisory. In the Linux kernel, the following vulnerability has been resolved: scsi: ses: Fix slab-out-of-bounds in sesintfremove A fix for: BUG: KASAN: slab-out-of-bounds in...

Unity Linux 20.1050e Security Update: kernel (UTSA-2026-006616)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-006616 advisory. In the Linux kernel, the following vulnerability has been resolved: cacheinfo: Fix sharedcpumap to handle shared caches at different levels The cacheinfo sets up the...

kernel: net/sched: cls_u32: use skb_header_pointer_careful()

In the Linux kernel, the following vulnerability has been resolved: net/sched: clsu32: use skbheaderpointercareful skbheaderpointer does not fully validate negative @offset values. Use skbheaderpointercareful instead. GangMin Kim provided a report and a repro fooling u32classify: BUG: KASAN:...

PT-2026-30575

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The Linux kernel contains a flaw in its netfilter component related to conntrack and missing netlink policy validations. Specifically, the nlattr to sctp function improperly handles...

kernel: net/sched: cls_u32: use skb_header_pointer_careful()

In the Linux kernel, the following vulnerability has been resolved: net/sched: clsu32: use skbheaderpointercareful skbheaderpointer does not fully validate negative @offset values. Use skbheaderpointercareful instead. GangMin Kim provided a report and a repro fooling u32classify: BUG: KASAN:...

Security update for the Linux Kernel

The SUSE Linux Enterprise 12 SP5 kernel was updated to receive various security bugfixes. The following security bugs were fixed: CVE-2022-50453: gpiolib: cdev: fix NULL-pointer dereferences bsc1250887. CVE-2023-53794: cifs: fix session state check in reconnect to avoid use-after-free issue...

UBUNTU-CVE-2026-23378

In the Linux kernel, the following vulnerability has been resolved: net/sched: actife: Fix metalist update behavior Whenever an ife action replace changes the metalist, instead of replacing the old data on the metalist, the current ife code is appending the new metadata. Aside from being...

The vulnerability of the check_slab() function in the mm/slub.c module of the Linux kernel’s memory management subsystem allows a hacker to cause a service failure.

The vulnerability of the checkslab function in the mm/slub.c module of the Linux kernel’s memory management subsystem is related to the lack of memory release after the effective lifespan has ended. Exploiting this vulnerability could allow an attacker to cause a service failure...

UBUNTU-CVE-2026-23269

In the Linux kernel, the following vulnerability has been resolved: apparmor: validate DFA start states are in bounds in unpackpdb Start states are read from untrusted data and used as indexes into the DFA state tables. The aadfanext function call in unpackpdb will access dfa-tablesYYTDIDBASEstar...

CLSA-2026-1773048865 kernel: Fix of 53 CVEs

xhci: Remove device endpoints from bandwidth list when freeing the device CVE-2022-50470 - HID: multitouch: Add NULL check in mtinputconfigured CVE-2024-58020 - netfilter: nftsetpipapo: clamp maximum map bucket size to INTMAX CVE-2025-38201 - fs: writeback: fix use-after-free in markinodedirty...

CLSA-2026-1773046198 kernel: Fix of 31 CVEs

smb3: fix for slab out of bounds on mount to ksmbd CVE-2025-38728 - netfilter: nftsetpipapo: clamp maximum map bucket size to INTMAX CVE-2025-38201 - ALSA: usb-audio: Validate UAC3 power domain descriptors, too CVE-2025-38729 - net: atm: fix /proc/net/atm/lec handling CVE-2025-38180 - tcpbpf:...

PT-2026-39110

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A slab-out-of-bounds issue exists in the nvme-pci component. The problem occurs in the nvme dbbuf set function due to an incorrect loop condition. The dev-online queues variable tracks t...

kernel: efivarfs: Fix slab-out-of-bounds in efivarfs_d_compare

A slab-out-of-bounds exists in the linux kernel in efivarfsdcompare, such that the issue can be triggered by parallel lookups using an invalid filename due to an incorrect memcmp function...

kernel: efivarfs: Fix slab-out-of-bounds in efivarfs_d_compare

A slab-out-of-bounds exists in the linux kernel in efivarfsdcompare, such that the issue can be triggered by parallel lookups using an invalid filename due to an incorrect memcmp function...

Unity Linux 20.1070a Security Update: kernel (UTSA-2026-005595)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-005595 advisory. In the Linux kernel, the following vulnerability has been resolved: netfilter: ipset: add the missing IPSETHASHWITHNET0 macro for ipsethashnetportnet.c The missing...