CVE-2022-50291 kcm: annotate data-races around kcm->rx_psock

In the Linux kernel, the following vulnerability has been resolved: kcm: annotate data-races around kcm-rxpsock kcm-rxpsock can be read locklessly in kcmrfree. Annotate the read and writes accordingly. We do the same for kcm-rxwait in the following patch. syzbot reported: BUG: KCSAN: data-race in...

Linux kernel 安全漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in Linux kernel that stems from the presence of data contention in kcm-rxpsock, which could lead to undefined behavior...

PT-2025-37519

Name of the Vulnerable Software and Affected Versions: Linux kernel affected versions not specified Description: The Linux kernel contains a data-race condition within the kcm Kernel Connection Multiplexor subsystem. Specifically, kcm-rx psock can be read without a lock in the kcm rfree function,...

Linux Distros Unpatched Vulnerability : CVE-2025-38717

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - net: kcm: Fix race condition in kcmunattach syzbot found a race condition when kcmunattachpsock and kcmreleasekcm are executed at the same time. kcmunattach is...

AZL-66887 CVE-2025-38717 affecting package kernel 6.6.126.1-1

In the Linux kernel, the following vulnerability has been resolved: net: kcm: Fix race condition in kcmunattach syzbot found a race condition when kcmunattachpsock and kcmreleasekcm are executed at the same time. kcmunattach is missing a check of the flag kcm-txstopped before calling queuework. I...

AZL-70783 CVE-2025-38717 affecting package kernel 5.15.200.1-1

In the Linux kernel, the following vulnerability has been resolved: net: kcm: Fix race condition in kcmunattach syzbot found a race condition when kcmunattachpsock and kcmreleasekcm are executed at the same time. kcmunattach is missing a check of the flag kcm-txstopped before calling queuework. I...

CVE-2025-38717 net: kcm: Fix race condition in kcm_unattach()

In the Linux kernel, the following vulnerability has been resolved: net: kcm: Fix race condition in kcmunattach syzbot found a race condition when kcmunattachpsock and kcmreleasekcm are executed at the same time. kcmunattach is missing a check of the flag kcm-txstopped before calling queuework. I...

CVE-2025-38717

CVE-2025-38717 – net/kcm race condition (Linux kernel) : Syzbot observed a race between kcm_unattach(psock) and kcm_release(kcm). The bug stems from a missing check of the flag kcm->tx_stopped before queue_work(), which can allow requeuing kcm->tx_work between cancel_work_sync() and unreser...

Linux Distros Unpatched Vulnerability : CVE-2022-3521

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - A vulnerability has been found in Linux Kernel and classified as problematic. This vulnerability affects the function kcmtxwork of the file net/kcm/kcmsock.c of...

Linux Distros Unpatched Vulnerability : CVE-2022-49957

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - In the Linux kernel, the following vulnerability has been resolved: kcm: fix strpinit order and cleanup strpinit is called just a few lines above this...

CVE-2022-49957

In the Linux kernel, the following vulnerability has been resolved: kcm: fix strpinit order and cleanup strpinit is called just a few lines above this csk-skuserdata check, it also initializes strp-work etc., therefore, it is unnecessary to call strpdone to cancel the freshly initialized work. An...

CVE-2022-49957

CVE-2022-49957 concerns a Linux kernel issue in the kcm path where strp_init() is invoked before the csk->sk_user_data check. The vulnerability arises because strp_init() initializes strp->work (and others); calling strp_done() to cancel it is unnecessary if sk_user_data isn’t checked yet. ...

CVE-2022-49957 kcm: fix strp_init() order and cleanup

In the Linux kernel, the following vulnerability has been resolved: kcm: fix strpinit order and cleanup strpinit is called just a few lines above this csk-skuserdata check, it also initializes strp-work etc., therefore, it is unnecessary to call strpdone to cancel the freshly initialized work. An...

PT-2025-25883

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A vulnerability in the Linux kernel has been resolved, related to the kcm module. The issue involved the incorrect ordering of the strp init function call, which led to unnecessary...

DEBIAN-CVE-2022-49814

In the Linux kernel, the following vulnerability has been resolved: kcm: close race conditions on skreceivequeue sk-skreceivequeue is protected by skb queue lock, but for KCM sockets its RX path takes mux-rxlock to protect more than just skb queue. However, kcmrecvmsg still only grabs the skb que...

CVE-2022-49814

In the Linux kernel, the following vulnerability has been resolved: kcm: close race conditions on skreceivequeue sk-skreceivequeue is protected by skb queue lock, but for KCM sockets its RX path takes mux-rxlock to protect more than just skb queue. However, kcmrecvmsg still only grabs the skb que...

UBUNTU-CVE-2022-49814

In the Linux kernel, the following vulnerability has been resolved: kcm: close race conditions on skreceivequeue sk-skreceivequeue is protected by skb queue lock, but for KCM sockets its RX path takes mux-rxlock to protect more than just skb queue. However, kcmrecvmsg still only grabs the skb que...

CVE-2022-49814 kcm: close race conditions on sk_receive_queue

In the Linux kernel, the following vulnerability has been resolved: kcm: close race conditions on skreceivequeue sk-skreceivequeue is protected by skb queue lock, but for KCM sockets its RX path takes mux-rxlock to protect more than just skb queue. However, kcmrecvmsg still only grabs the skb que...

CVE-2022-49814

In the Linux kernel, the following vulnerability has been resolved: kcm: close race conditions on skreceivequeue sk-skreceivequeue is protected by skb queue lock, but for KCM sockets its RX path takes mux-rxlock to protect more than just skb queue. However, kcmrecvmsg still only grabs the skb que...

CVE-2022-49814

CVE-2022-49814 concerns a race condition in the Linux kernel KCM RX path. The issue arises because sk_receive_queue is protected by the skb queue lock, but KCM sockets’ RX path uses mux->rx_lock to protect more than just the skb queue, while kcm_recvmsg() continued to only grab the skb queue l...