kernel: af_unix: Set gc_in_progress to true in unix_gc()

A flaw was found in the Linux kernel's afunix component. A race condition exists within the unixgc garbage collection function where the gcinprogress flag may not be correctly set. This could lead to unixpeekfpl misinterpreting garbage collection status when handling MSGPEEK operations, potential...

bad_garbage

BADGARBAGE.c CVE-2026-53361 — 非特権ユーザーが利用でき、コンテナエスケープが可能な、AFUNIX ソケットガベージコレクタにおける use-after-free です。これはシングルベクター（MSGPEEK のみ）版です。 バグ AFUNIX GC は、到達不能な参照サイクルを形成する「インフライト」（in-flight）ソケットを回収します。インフライトの fd に対する並行する MSGPEEK は、GC の調査（census）が決して数えない参照を取得するため、コレクタはまだ生存しているソケットを解放し、ダングリングな skbuff...

Linux Distros Unpatched Vulnerability : CVE-2026-26445

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - stomper 5e2741e is vulnerable to Denial of Service. A malicious client can send partial STOMP frames and keep the TCP connections open, which, combined with the...

EUVD-2026-66756

stomper 5e2741e is vulnerable to Denial of Service. A malicious client can send partial STOMP frames and keep the TCP connections open, which, combined with the broker s use of edge-triggered epoll EPOLLET and MSGPEEK in recv, causes sockets to enter a permanent half-read state. When enough such...

Linux Distros Unpatched Vulnerability : CVE-2026-74434

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - 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 i...

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...

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-2026-74432

In the Linux kernel, the following vulnerability has been resolved: rxrpc: Fix leak of released call in recvmsgMSGPEEK Fix rxrpcrecvmsg to also drop the ref it holds on an already-released call if MSGPEEK is in force the function holds a ref on the call irrespective of whether MSGPEEK is specifie...

UBUNTU-CVE-2026-74432

In the Linux kernel, the following vulnerability has been resolved: rxrpc: Fix leak of released call in recvmsgMSGPEEK Fix rxrpcrecvmsg to also drop the ref it holds on an already-released call if MSGPEEK is in force the function holds a ref on the call irrespective of whether MSGPEEK is specifie...

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...

CVE-2026-74432 rxrpc: Fix leak of released call in recvmsg(MSG_PEEK)

In the Linux kernel, the following vulnerability has been resolved: rxrpc: Fix leak of released call in recvmsgMSGPEEK Fix rxrpcrecvmsg to also drop the ref it holds on an already-released call if MSGPEEK is in force the function holds a ref on the call irrespective of whether MSGPEEK is specifie...

CVE-2026-74432 rxrpc: Fix leak of released call in recvmsg(MSG_PEEK)

In the Linux kernel, the following vulnerability has been resolved: rxrpc: Fix leak of released call in recvmsgMSGPEEK Fix rxrpcrecvmsg to also drop the ref it holds on an already-released call if MSGPEEK is in force the function holds a ref on the call irrespective of whether MSGPEEK is specifie...

EUVD-2026-59579

In the Linux kernel, the following vulnerability has been resolved: rxrpc: Fix leak of released call in recvmsgMSGPEEK Fix rxrpcrecvmsg to also drop the ref it holds on an already-released call if MSGPEEK is in force the function holds a ref on the call irrespective of whether MSGPEEK is specifie...

CVE-2026-74432

The CVE-2026-74432 issue affects the Linux kernel’s rxrpc recvmsg path. The fix adds dropping of a reference on an already-released call when MSG_PEEK is in force, addressing a leak where a ref was held regardless of MSG_PEEK usage. Affected component: rxrpc_recvmsg() in the kernel; root cause: l...

PT-2026-72870

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

AZL-87141 CVE-2026-43029 affecting package kernel 6.6.150.1-1

In the Linux kernel, the following vulnerability has been resolved: mptcp: fix soft lockup in mptcprecvmsg syzbot reported a soft lockup in mptcprecvmsg 0. When receiving data with MSGPEEK | MSGWAITALL flags, the skb is not removed from the skreceivequeue. This causes skwaitdata to always find...

AZL-84053 CVE-2026-23394 affecting package kernel for versions less than 6.6.142.1-1

In the Linux kernel, the following vulnerability has been resolved: afunix: Give up GC if MSGPEEK intervened. Igor Ushakov reported that GC purged the receive queue of an alive socket due to a race with MSGPEEK with a nice repro. This is the exact same issue previously fixed by commit cbcf01128d0...