dirtyclone-CVE-2026-43503

CVE-2026-43503 — DirtyClone Escalada local de privilegios en Linux. Un skbuff clonado pierde el indicador SKBFLSHAREDFRAG, por lo que el descifrado in-place de ESP escribe en memoria de page-cache respaldada por archivos. El PoC modifica /etc/passwd en caché para inyectar una cuenta uid-0 y...

Astra Linux – Vulnerabilities in Linux, Linux-5.10, Linux-5.15, Linux-6.1

In the Linux kernel, the following vulnerability has been resolved: kcm: Fixed a memory leak in the error path of kcmsendmsg. The syzbot reported a memory leak as follows: BUG: Memory leak Unreferenced object 0xffff88810b088c00 size 240: Comm “syz-executor186”, pid 5012, jiffies 4294943306 age...

SUSE CVE-2026-74620

In the Linux kernel, the following vulnerability has been resolved: net/sched: actgact, actpolice: range check the fallback control action tcfactioncheckctrlact range checks the primary control action: if !opcode ret = action TCACTVALUEMAX ? -EINVAL : 0; TCACTVALUEMAX is TCACTTRAP, so...

CVE-2026-74621

In the Linux kernel, the following vulnerability has been resolved: net/sched: actct: fix skbuff leak when the header checks reject a packet tcfcthandlefragments runs its header sanity checks before handing anything to the defragmentation engine: if family == NFPROTOIPV4 err =...

AZL-97143 CVE-2026-74620 affecting package kernel 6.6.150.1-1

In the Linux kernel, the following vulnerability has been resolved: net/sched: actgact, actpolice: range check the fallback control action tcfactioncheckctrlact range checks the primary control action: if !opcode ret = action TCACTVALUEMAX ? -EINVAL : 0; TCACTVALUEMAX is TCACTTRAP, so...

AZL-97080 CVE-2026-74621 affecting package kernel 6.6.150.1-1

In the Linux kernel, the following vulnerability has been resolved: net/sched: actct: fix skbuff leak when the header checks reject a packet tcfcthandlefragments runs its header sanity checks before handing anything to the defragmentation engine: if family == NFPROTOIPV4 err =...

CVE-2026-74621 net/sched: act_ct: fix sk_buff leak when the header checks reject a packet

In the Linux kernel, the following vulnerability has been resolved: net/sched: actct: fix skbuff leak when the header checks reject a packet tcfcthandlefragments runs its header sanity checks before handing anything to the defragmentation engine: if family == NFPROTOIPV4 err =...

CVE-2026-74620 net/sched: act_gact, act_police: range check the fallback control action

In the Linux kernel, the following vulnerability has been resolved: net/sched: actgact, actpolice: range check the fallback control action tcfactioncheckctrlact range checks the primary control action: if !opcode ret = action TCACTVALUEMAX ? -EINVAL : 0; TCACTVALUEMAX is TCACTTRAP, so...

CVE-2026-74621

CVE-2026-74621 is an unbounded memory leak in the Linux kernel's net/sched: act_ct (traffic control connection-tracking action). When tcf_ct_handle_fragments() rejects a packet via header sanity checks (returning -EINVAL, -ENOMEM, or -EPROTO), the skb remains owned by the caller, yet tcf_ct_act()...

CVE-2026-74621 net/sched: act_ct: fix sk_buff leak when the header checks reject a packet

In the Linux kernel, the following vulnerability has been resolved: net/sched: actct: fix skbuff leak when the header checks reject a packet tcfcthandlefragments runs its header sanity checks before handing anything to the defragmentation engine: if family == NFPROTOIPV4 err =...

EUVD-2026-64558

In the Linux kernel, the following vulnerability has been resolved: net/sched: actct: fix skbuff leak when the header checks reject a packet tcfcthandlefragments runs its header sanity checks before handing anything to the defragmentation engine: if family == NFPROTOIPV4 err =...

Linux Distros Unpatched Vulnerability : CVE-2026-74621

"The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - net/sched: actct: fix skbuff leak when the header checks reject a packet tcfcthandlefragments runs its header sanity checks before handing anything to the...

Linux Distros Unpatched Vulnerability : CVE-2026-74620

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - net/sched: actgact, actpolice: range check the fallback control action tcfactioncheckctrlact range checks the primary control action: if !opcode ret = action...

SUSE CVE-2026-74539

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: ISO: lock sk in isosockgetname Accessing isopisk-conn requires locksock, which is not held here. Fix by adding the lock/release...

UBUNTU-CVE-2026-74434

In the Linux kernel, the following vulnerability has been resolved: rxrpc: Don't move a peeked OOB message onto the pending queue rxrpcrecvmsgoob takes a received oob message off recvmsgoobq and, if a response is needed, moves it onto the pendingoobq tree. However, only the unlink from recvmsgoob...

CVE-2026-74434

The CVE-2026-74434 issue affects the Linux kernel rxrpc path: when reading an OOB message with MSG_PEEK, rxrpc_recvmsg_oob() unlinks from recvmsg_oobq but always moves the message onto pending_oobq, risking the sk_buff rbnode linkage being overwritten. This allows the skb to be reachable from bot...

CVE-2026-74434 rxrpc: Don't move a peeked OOB message onto the pending queue

In the Linux kernel, the following vulnerability has been resolved: rxrpc: Don't move a peeked OOB message onto the pending queue rxrpcrecvmsgoob takes a received oob message off recvmsgoobq and, if a response is needed, moves it onto the pendingoobq tree. However, only the unlink from recvmsgoob...

CVE-2026-74434 rxrpc: Don't move a peeked OOB message onto the pending queue

In the Linux kernel, the following vulnerability has been resolved: rxrpc: Don't move a peeked OOB message onto the pending queue rxrpcrecvmsgoob takes a received oob message off recvmsgoobq and, if a response is needed, moves it onto the pendingoobq tree. However, only the unlink from recvmsgoob...

EUVD-2026-59581

In the Linux kernel, the following vulnerability has been resolved: rxrpc: Don't move a peeked OOB message onto the pending queue rxrpcrecvmsgoob takes a received oob message off recvmsgoobq and, if a response is needed, moves it onto the pendingoobq tree. However, only the unlink from recvmsgoob...

PT-2026-72421

In the Linux kernel, the following vulnerability has been resolved: batman-adv: bla: reacquire gw address after skb realloc The pskb may pull called by batadv bla is backbone gw could reallocate the buffer behind the skb. Variables which were pointing to the old buffer need to be reassigned to...