CVE-2022-50784

In the Linux kernel, the following vulnerability has been resolved: wifi: iwlwifi: mei: fix potential NULL-ptr deref after clone If cloning the SKB fails, don't try to use it, but rather return as if we should pass it. Coverity CID: 1503456...

CVE-2023-54238

In the Linux kernel, the following vulnerability has been resolved: mlx5: fix skb leak while fifo resync and push During ptp resync operation SKBs were poped from the fifo but were never freed neither by napiconsume nor by devkfreeskbany. Add call to napiconsumeskb to properly free SKBs. Another...

CVE-2023-54223 net/mlx5e: xsk: Fix invalid buffer access for legacy rq

In the Linux kernel, the following vulnerability has been resolved: net/mlx5e: xsk: Fix invalid buffer access for legacy rq The below crash can be encountered when using xdpsock in rx mode for legacy rq: the buffer gets released in the XDPREDIRECT path, and then once again in the driver. This fix...

CVE-2023-54223 net/mlx5e: xsk: Fix invalid buffer access for legacy rq

In the Linux kernel, the following vulnerability has been resolved: net/mlx5e: xsk: Fix invalid buffer access for legacy rq The below crash can be encountered when using xdpsock in rx mode for legacy rq: the buffer gets released in the XDPREDIRECT path, and then once again in the driver. This fix...

CVE-2023-54218

In the Linux kernel, the following vulnerability has been resolved: net: Fix load-tearing on sk-skstamp in sockrecvcmsgs. KCSAN found a data race in sockrecvcmsgs where the read access to sk-skstamp needs READONCE. BUG: KCSAN: data-race in packetrecvmsg / packetrecvmsg write marked to...

CVE-2022-50838 net: stream: purge sk_error_queue in sk_stream_kill_queues()

In the Linux kernel, the following vulnerability has been resolved: net: stream: purge skerrorqueue in skstreamkillqueues Changheon Lee reported TCP socket leaks, with a nice repro. It seems we leak TCP sockets with the following sequence: 1 SOFTIMESTAMPINGTXACK is enabled on the socket. Each ACK...

CVE-2022-50832 wifi: wilc1000: fix potential memory leak in wilc_mac_xmit()

In the Linux kernel, the following vulnerability has been resolved: wifi: wilc1000: fix potential memory leak in wilcmacxmit The wilcmacxmit returns NETDEVTXOK without freeing skb, add devkfreeskb to fix it. Compile tested only...

CVE-2023-54176 mptcp: stricter state check in mptcp_worker

In the Linux kernel, the following vulnerability has been resolved: mptcp: stricter state check in mptcpworker As reported by Christoph, the mptcp protocol can run the worker when the relevant msk socket is in an unexpected state: connect // incoming reset + fastclose // the mptcp worker is...

CVE-2023-54176

Mode C: Concrete details present. CVE-2023-54176 affects the Linux kernel MPTCP path where mptcp_worker could run while the msk socket was in an unexpected state (connect/fastclose sequence leading to a partition crash). The fix implements a stricter state check in mptcp_worker by preventing exec...

CVE-2023-54176 mptcp: stricter state check in mptcp_worker

In the Linux kernel, the following vulnerability has been resolved: mptcp: stricter state check in mptcpworker As reported by Christoph, the mptcp protocol can run the worker when the relevant msk socket is in an unexpected state: connect // incoming reset + fastclose // the mptcp worker is...

CVE-2022-50817 net: hsr: avoid possible NULL deref in skb_clone()

In the Linux kernel, the following vulnerability has been resolved: net: hsr: avoid possible NULL deref in skbclone syzbot got a crash 1 in skbclone, caused by a bug in hsrgetuntaggedframe. When/if createstrippedskbhsr returns NULL, we must not attempt to call skbclone. While we are at it, replac...

CVE-2022-50784

The CVE-2022-50784 issue affects the Linux kernel in the wifi/iwlwifi/mei path, where a NULL-pointer dereference can occur after attempting to clone an SKB. If SKB cloning fails, the code may proceed to use the invalid SKB instead of aborting, risking a system crash or instability. The vulnerabil...

CVE-2022-50784 wifi: iwlwifi: mei: fix potential NULL-ptr deref after clone

In the Linux kernel, the following vulnerability has been resolved: wifi: iwlwifi: mei: fix potential NULL-ptr deref after clone If cloning the SKB fails, don't try to use it, but rather return as if we should pass it. Coverity CID: 1503456...

PT-2025-54020

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A memory leak was identified and resolved in the mt7996 mcu exit routine within the mt76 module for the mt7996 wireless chipset. The issue involved failing to properly purge memory queue...

Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2025-992663)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-992663 advisory. In the Linux kernel, the following vulnerability has been resolved: netsched: skbprio: Remove overly strict queue assertions In the current implementation, skbprio...

Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2025-992427)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-992427 advisory. 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 $IFAC...

Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2025-992659)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-992659 advisory. In the Linux kernel, the following vulnerability has been resolved: mptcp: always handle address removal under msk socket lock Syzkaller reported a lockdep splat in...

Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2025-992645)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-992645 advisory. In the Linux kernel, the following vulnerability has been resolved: net: gso: fix ownership in udpgsosegment In udpgsosegment the skb destructor is removed before...

Unity Linux 20.1070e Security Update: kernel (UTSA-2025-992670)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-992670 advisory. In the Linux kernel, the following vulnerability has been resolved: ipvlan: Dont Use skb-sk in ipvlanprocessv4,6outbound Raw packet from PFPACKET socket ontop of an...

Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2025-992240)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-992240 advisory. In the Linux kernel, the following vulnerability has been resolved: bpf: make sure skb-len != 0 when redirecting to a tunneling device syzkaller managed to trigger...