kernel: sctp: avoid NULL dereference when chunk data buffer is missing

In the Linux kernel, the following vulnerability has been resolved: sctp: avoid NULL dereference when chunk data buffer is missing chunk-skb pointer is dereferenced in the if-block where it's supposed to be NULL only. chunk-skb can only be NULL if chunk-headskb is not. Check for fraglist instead...

Unity Linux 20.1050e Security Update: kernel (UTSA-2026-006628)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-006628 advisory. In the Linux kernel, the following vulnerability has been resolved: nfc: nxp-nci: Fix potential memory leak in nxpncisend nxpncisend will call nxpncii2cwrite, and on...

Unity Linux 20.1050e Security Update: kernel (UTSA-2026-006660)

"The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-006660 advisory. In the Linux kernel, the following vulnerability has been resolved: net: preserve skbendoffset in skbunclonekeeptruesize syzbot found another way to trigger the...

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 ...

kernel security update

An update is available for kernel. This update affects Rocky Linux 8. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list The kernel packages contain the Linux kernel, the core of any Linux operating...

RLSA-2026:6037 Moderate: kernel security update

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: Linux kernel: Use-After-Free vulnerability in ATM subsystem CVE-2025-38180 kernel: macvlan: fix error recovery in macvlancommonnewlink CVE-2026-23209 kernel: net/sched: clsu32: use...

MiracleLinux 9 : kernel-5.14.0-611.45.1.el9_7 (AXSA:2026-409:25)

The remote MiracleLinux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the AXSA:2026-409:25 advisory. kernel: Linux kernel: Use-After-Free vulnerability in ATM subsystem CVE-2025-38180 kernel: drm/sched: Fix potential double free in...

EUVD-2026-18688

In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: always free skb on ieee80211txprepareskb failure ieee80211txprepareskb has three error paths, but only two of them free the skb. The first error path ieee80211txprepare returning TXDROP does not free it, while...

CVE-2026-23444

In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: always free skb on ieee80211txprepareskb failure ieee80211txprepareskb has three error paths, but only two of them free the skb. The first error path ieee80211txprepare returning TXDROP does not free it, while...

CVE-2026-23444

In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: always free skb on ieee80211txprepareskb failure ieee80211txprepareskb has three error paths, but only two of them free the skb. The first error path ieee80211txprepare returning TXDROP does not free it, while...

CVE-2026-23459 ip_tunnel: adapt iptunnel_xmit_stats() to NETDEV_PCPU_STAT_DSTATS

In the Linux kernel, the following vulnerability has been resolved: iptunnel: adapt iptunnelxmitstats to NETDEVPCPUSTATDSTATS Blamed commits forgot that vxlan/geneve use udptunnel6xmitskb which call iptunnelxmitstats. iptunnelxmitstats was assuming tunnels were only using NETDEVPCPUSTATTSTATS...

CVE-2026-23444 wifi: mac80211: always free skb on ieee80211_tx_prepare_skb() failure

In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: always free skb on ieee80211txprepareskb failure ieee80211txprepareskb has three error paths, but only two of them free the skb. The first error path ieee80211txprepare returning TXDROP does not free it, while...

CVE-2026-23444 wifi: mac80211: always free skb on ieee80211_tx_prepare_skb() failure

In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: always free skb on ieee80211txprepareskb failure ieee80211txprepareskb has three error paths, but only two of them free the skb. The first error path ieee80211txprepare returning TXDROP does not free it, while...

PT-2026-33746

Name of the Vulnerable Software and Affected Versions Linux kernel versions 6.3 through 6.12.81 Description A slab cross-cache free issue exists in the Linux kernel when KFENCE is enabled. The skb kfree head function uses skb end offset to distinguish between skb heads allocated from skb small he...

CVE-2026-23414

In the Linux kernel, the following vulnerability has been resolved: tls: Purge asynchold in tlsdecryptasyncwait The asynchold queue pins encrypted input skbs while the AEAD engine references their scatterlist data. Once tlsdecryptasyncwait returns, every AEAD operation has completed and the engin...

Oracle Linux 8 / 9 : Unbreakable Enterprise kernel (ELSA-2026-50171)

The remote Oracle Linux 8 / 9 host has packages installed that are affected by a vulnerability as referenced in the ELSA-2026-50171 advisory. - macvlan: fix error recovery in macvlancommonnewlink Eric Dumazet Orabug: 39057366 CVE-2026-23209 - netfilter: nftables: fix inverted genmask check in...

SUSE SLES15 Security Update : kernel (Live Patch 2 for SUSE Linux Enterprise 15 SP7) (SUSE-SU-2026:1132-1)

The remote SUSE Linux SLES15 host has a package installed that is affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:1132-1 advisory. This update for the SUSE Linux Enterprise Kernel 6.4.0-150700.53.6 fixes various security issues The following security issues were fixed: -...

kernel: ipv6: BUG() in pskb_expand_head() as part of calipso_skbuff_setattr()

In the Linux kernel, the following vulnerability has been resolved: ipv6: BUG in pskbexpandhead as part of calipsoskbuffsetattr There exists a kernel oops caused by a BUGONnhead INTMAX i.e. intskbheadroomskb + lendelta skbheadroomskb is meant to ensure that delta = headroom - skbheadroomskb is...

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:...

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:...