CVE-2022-50071 mptcp: move subflow cleanup in mptcp_destroy_common()

In the Linux kernel, the following vulnerability has been resolved: mptcp: move subflow cleanup in mptcpdestroycommon If the mptcp socket creation fails due to a CGROUPINETSOCKCREATE eBPF program, the MPTCP protocol ends-up leaking all the subflows: the related cleanup happens in mptcpdestroysock...

CVE-2022-50003 ice: xsk: prohibit usage of non-balanced queue id

In the Linux kernel, the following vulnerability has been resolved: ice: xsk: prohibit usage of non-balanced queue id Fix the following scenario: 1. ethtool -L $IFACE rx 8 tx 96 2. xdpsock -q 10 -t -z Above refers to a case where user would like to attach XSK socket in txonly mode at a queue id...

CVE-2022-50003

CVE-2022-50003 describes a Linux kernel issue in the ice driver where XSK (AF_XDP) pool assignment can occur for a non-balanced queue id, enabling an out-of-bounds access to the Rx ring when attaching an XSK socket in tx-only mode to a queue id without a corresponding Rx queue. The fix rewrites t...

CVE-2022-49979 net: fix refcount bug in sk_psock_get (2)

In the Linux kernel, the following vulnerability has been resolved: net: fix refcount bug in skpsockget 2 Syzkaller reports refcount bug as follows: ------------ cut here ------------ refcountt: saturated; leaking memory. WARNING: CPU: 1 PID: 3605 at lib/refcount.c:19...

CVE-2022-49972

CVE-2022-49972 concerns a Linux kernel XDP_SHARED_UMEM issue where packets could be corrupted when multiple sockets bind to the same umem (except the first). Root cause: the DMA addresses for pre-populated xsk buffer pool entries were initialized only for the first socket bound to the umem; the l...

CVE-2025-38057

In the Linux kernel, the following vulnerability has been resolved: espintcp: fix skb leaks A few error paths are missing a kfreeskb...

CVE-2025-38079 crypto: algif_hash - fix double free in hash_accept

In the Linux kernel, the following vulnerability has been resolved: crypto: algifhash - fix double free in hashaccept If accept2 is called on socket type algifhash with MSGMORE flag set and cryptoahashimport fails, sk2 is freed. However, it is also freed in afalgrelease, leading to...

CVE-2025-38079

The CVE-2025-38079 entry concerns a vulnerability in the Linux kernel crypto/algif_hash: a double free in hash_accept when accept(2) is used on an algif_hash socket with MSG_MORE and crypto_ahash_import fails. This leads to a slab-use-after-free due to sk2 being freed in both hash_accept and af_a...

CVE-2025-38079 crypto: algif_hash - fix double free in hash_accept

In the Linux kernel, the following vulnerability has been resolved: crypto: algifhash - fix double free in hashaccept If accept2 is called on socket type algifhash with MSGMORE flag set and cryptoahashimport fails, sk2 is freed. However, it is also freed in afalgrelease, leading to...

CVE-2025-38057 espintcp: fix skb leaks

In the Linux kernel, the following vulnerability has been resolved: espintcp: fix skb leaks A few error paths are missing a kfreeskb...

Linux Kernel Security Vulnerabilities

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 the Linux kernel, which stems from a resource leak caused by MPTCP's failure to clean up a subflow when a socket creation fails...

Linux Kernel Security Vulnerabilities

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 the Linux kernel that stems from the espintcp driver not releasing the skb in the wrong path...

PT-2025-28356

Name of the Vulnerable Software and Affected Versions: Linux kernel versions 6.9 and earlier, including versions prior to 6.1.143, 6.6.96, 6.12.36, and 6.15.5. Description: The Linux kernel contains a use-after-free vulnerability in the af unix module, specifically within the unix stream read...

Linux Kernel Security Vulnerabilities

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 the Linux kernel that stems from unfreezing skb memory, which could lead to a memory leak...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: can: rockchip: rkcanfdhandlerxfifooverflowint: Bail out if skb cannot be allocated. The NULL pointer check in rkcanfdhandlerxfifooverflowint has been fixed to also bail out if skb cannot be allocated...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerabilities have been resolved: net: Allow for small head cache usage with large MAXSKBFRAGS values. Sabrina reported the following error: WARNING: CPU: 0 PID: 1 at net/core/dev.c:6935 netifnapiaddweightlocked+0x8f2/0xba0 Modules linked in: CPU: 0 UID: 0 PID...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: usbnet: Fix for NPE during rxcomplete. There is a missing validation of usbnetgoingaway in the critical path. The usbsubmiturb function lacks this validation, while usbnetqueueskb includes this check. This inconsistency creates a...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: netfilter: socket: Lookup orig tuple for IPv6 SNAT The nfsklookupslowv4 function performs the conntrack lookup for IPv4 packets in order to restore the original 5-tuple in case of SNAT, so that the correct socket if any can be...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: Net: Ethernet: ti: am65-cpsw: fixed a memory leak in certain XDP scenarios. If the XDP program does not result in XDPPASS, then we leak the memory allocated by am65cpswbuildskb. It is pointless to allocate SKB memory before runni...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: UDP: Handling race conditions between UDP socket address changes and rehashing If a UDP socket changes its local address while it is receiving datagrams, as a result of the connect function, there is a period during which a looku...