CVE-2022-49420

CVE-2022-49420 documents a data race in the Linux kernel involving UDP path: UDP sendmsg() reads sk->sk_bound_dev_if while it can be changed by another thread, and UDP wake/receive paths around __ip6_datagram_connect and udpv6_sendmsg. The issue is in net/ipv6/udp.c and related dgram/connect c...

CVE-2022-49420 net: annotate races around sk->sk_bound_dev_if

In the Linux kernel, the following vulnerability has been resolved: net: annotate races around sk-skbounddevif UDP sendmsg is lockless, and reads sk-skbounddevif while this field can be changed by another thread. Adds minimal annotations to avoid KCSAN splats for UDP. Following patches will add...

CVE-2022-49344 af_unix: Fix a data-race in unix_dgram_peer_wake_me().

In the Linux kernel, the following vulnerability has been resolved: afunix: Fix a data-race in unixdgrampeerwakeme. unixdgrampoll calls unixdgrampeerwakeme without other's lock held and check if its receive queue is full. Here we need to use unixrecvqfulllockless instead of unixrecvqfull, otherwi...

CVE-2022-49344 af_unix: Fix a data-race in unix_dgram_peer_wake_me().

In the Linux kernel, the following vulnerability has been resolved: afunix: Fix a data-race in unixdgrampeerwakeme. unixdgrampoll calls unixdgrampeerwakeme without other's lock held and check if its receive queue is full. Here we need to use unixrecvqfulllockless instead of unixrecvqfull, otherwi...

CVE-2022-49344

The CVE-2022-49344 issue is a Linux kernel data race in af_unix between unix_dgram_poll() and unix_dgram_peer_wake_me(): the receive-queue fullness check was done without holding the peer’s lock. The fix uses unix_recvq_full_lockless() instead of unix_recvq_full(), addressing a KCSAN-reported rac...

CVE-2022-49344 af_unix: Fix a data-race in unix_dgram_peer_wake_me().

In the Linux kernel, the following vulnerability has been resolved: afunix: Fix a data-race in unixdgrampeerwakeme. unixdgrampoll calls unixdgrampeerwakeme without other's lock held and check if its receive queue is full. Here we need to use unixrecvqfulllockless instead of unixrecvqfull, otherwi...

CVE-2022-49344

In the Linux kernel, the following vulnerability has been resolved: afunix: Fix a data-race in unixdgrampeerwakeme. unixdgrampoll calls unixdgrampeerwakeme without other's lock held and check if its receive queue is full. Here we need to use unixrecvqfulllockless instead of unixrecvqfull, otherwi...

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 sysctlfibmultipathuseneigh...

PT-2025-8504 · Linux +1 · Linux Kernel +1

Name of the Vulnerable Software and Affected Versions: Linux kernel affected versions not specified Description: A data-race issue exists around sysctl tcp max reordering in the Linux kernel. The value of sysctl tcp max reordering can be changed concurrently while it is being read, which requires...

PT-2025-8530 · Linux +1 · Linux Kernel +1

Name of the Vulnerable Software and Affected Versions: Linux kernel affected versions not specified Description: A data-race issue exists in the Linux kernel related to the sysctl tcp base mss variable. This issue occurs because the variable can be changed concurrently while being read, potential...

PT-2025-8509 · Linux +1 · Linux Kernel +1

Name of the Vulnerable Software and Affected Versions: Linux kernel affected versions not specified Description: A data-race issue exists in the Linux kernel related to the sysctl fib multipath hash fields variable. The variable can be changed concurrently while being read, which requires the use...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: mm: revert "mm: shmem: fix data-race in shmemgetattr". The change reverts to the state before the modification made by d949d1d14fa2 “mm: shmem: fix data-race in shmemgetattr“”, as suggested by Chuck 1. This issue caused deadlocks...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: bpf, skmsg: Fix NULL pointer dereference in skpsockskbingressenqueue Fix NULL pointer data-races in skpsockskbingressenqueue which syzbot reported 1. 1 BUG: KCSAN: data-race in skpsockdrop / skpsockskbingressenqueue write to...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: afunix: Fixed data race conditions in unixreleasesock/unixstreamsendmsg. A data race condition was identified in afunix. In one data path, the write function unixreleasesock atomically writes to sk-skshutdown using WRITEONCE...

Astra Linux – Vulnerability in xorg-server

In the X.Org X Server versions 20.11 through 21.1.16, when a client application uses easystroke for mouse gestures, the main thread modifies various data structures used by the input thread without acquiring a lock, which is known as a race condition. Specifically, the AttachDevice function in...

Azure Linux 3.0 Security Update: kernel (CVE-2024-27020)

The version of kernel installed on the remote Azure Linux 3.0 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the CVE-2024-27020 advisory. - In the Linux kernel, the following vulnerability has been resolved: netfilter: nftables: Fix potential...

Azure Linux 3.0 Security Update: kernel (CVE-2024-36938)

"The version of kernel installed on the remote Azure Linux 3.0 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the CVE-2024-36938 advisory. - In the Linux kernel, the following vulnerability has been resolved: bpf, skmsg: Fix NULL pointer dereferenc...

Azure Linux 3.0 Security Update: kernel (CVE-2024-27019)

The version of kernel installed on the remote Azure Linux 3.0 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the CVE-2024-27019 advisory. - In the Linux kernel, the following vulnerability has been resolved: netfilter: nftables: Fix potential...

PT-2025-25812

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to the fixed version Description The issue is related to data races in the vxlan module of the Linux kernel. Specifically, the used and updated fields in the FDB entry structure can be accessed concurrently by...

Important: kernel

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: RDMA/mlx5: Fix fortify source warning while accessing Eth segment CVE-2024-26907 In the Linux kernel, the following vulnerability has been resolved: i3c: Use i3cdev-desc-info instead of calling i3cdevicegetinfo to...