Unity Linux 20.1070e Security Update: kernel (UTSA-2026-011255)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-011255 advisory. In the Linux kernel, the following vulnerability has been resolved: skbuff: Fix a race between coalescing and releasing SKBs Commit 1effe8ca4e34 skbuff: fix coalesci...

Unity Linux 20.1050a Security Update: kernel (UTSA-2026-006986)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-006986 advisory. In the Linux kernel, the following vulnerability has been resolved: net, hsr: reject HSR frame if skb can't hold tag Receiving HSR frame with insufficient space to...

Unity Linux 20.1070e Security Update: kernel (UTSA-2026-013379)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-013379 advisory. In the Linux kernel, the following vulnerability has been resolved: kcm: Fix memory leak in error path of kcmsendmsg syzbot reported a memory leak like below: BUG:...

Unity Linux 20.1050e / 20.1070e Security Update: kernel (UTSA-2026-011386)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-011386 advisory. In the Linux kernel, the following vulnerability has been resolved: inet: inetdefrag: prevent sk release while still in use iplocalout and other functions can pass...

Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-011028)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-011028 advisory. In the Linux kernel, the following vulnerability has been resolved: ntbnetdev: Use devkfreeskbany in interrupt context TX/RX callback handlers ntbnetdevtxhandler,...

Unity Linux 20.1050e / 20.1070e Security Update: kernel (UTSA-2026-011219)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-011219 advisory. 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 ...

Unity Linux 20.1070e Security Update: kernel (UTSA-2026-013129)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-013129 advisory. In the Linux kernel, the following vulnerability has been resolved: net: bcmgenet: Add a check for oversized packets Occasionnaly we may get oversized packets from t...

CVE-2026-31429

In the Linux kernel, the following vulnerability has been resolved: net: skb: fix cross-cache free of KFENCE-allocated skb head SKBSMALLHEADCACHESIZE is intentionally set to a non-power-of-2 value e.g. 704 on x8664 to avoid collisions with generic kmalloc bucket sizes. This ensures that...

mt6893-security-research

MT6893 Security Research Five security research findings from...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-007396)

"The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-007396 advisory. In the Linux kernel, the following vulnerability has been resolved: net: nsh: Use correct macoffset to unwind gso skb in nshgsosegment As the call trace shows,...

PT-2026-43970

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A memory leak exists in the stream parser when it is aborted, such as after a message assembly timeout. The strp abort strp function fails to release the reference to a partially assembl...

PT-2026-51968

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the bpf prog test run skb function where the system may access ip hdrskb or ipv6 hdrskb even if the provided test input contains only an Ethernet header. This occurs...

PT-2026-51973

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A memory leak occurs in the network scheduler when cleaning up the deferred list via the qdisc run end function. If the root qdisc does not implement the TCQ F DEQUEUE DROPS flag, packet...

Unity Linux 20.1050e Security Update: kernel (UTSA-2026-006673)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-006673 advisory. In the Linux kernel, the following vulnerability has been resolved: e100: Fix possible use after free in e100xmitprepare In e100xmitprepare, if we can't map the skb,...

PT-2026-34968

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A flaw exists in the USB gadget Phonet function where a USB host can cause an overflow of the skb shared info-frags array. This occurs when the host sends an unbounded sequence of...

PT-2026-35012

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A flaw exists in the NFC PN533 component where the pn532 receive buf function may fail to allocate a fresh receive buffer before consuming bytes. If the alloc skb function fails, the...

SUSE 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

A flaw was found in the Linux kernel's mac80211 Wi-Fi subsystem. This vulnerability occurs because a specific error path within the ieee80211txprepareskb function fails to properly release a network buffer, known as a socket buffer skb. This inconsistency can lead to a double-free condition, wher...

UBUNTU-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

CVE-2026-23444 has been addressed in the Linux kernel by fixing skb ownership handling in wifi/mac80211. The patch adds kfree_skb() in the ieee80211_tx_prepare_skb() failure path to ensure all error paths free the skb, and removes redundant frees in callers (ath9k, mt76, mac80211_hwsim). The func...