CVE-2022-50862 bpf: prevent decl_tag from being referenced in func_proto

In the Linux kernel, the following vulnerability has been resolved: bpf: prevent decltag from being referenced in funcproto Syzkaller was able to hit the following issue: ------------ cut here ------------ WARNING: CPU: 0 PID: 3609 at kernel/bpf/btf.c:1946 btftypeidsize+0x2d5/0x9d0...

CVE-2023-54195 rxrpc: Fix timeout of a call that hasn't yet been granted a channel

In the Linux kernel, the following vulnerability has been resolved: rxrpc: Fix timeout of a call that hasn't yet been granted a channel afsmakecall calls rxrpckernelbegincall to begin a call which may get stalled in the background waiting for a connection to become available; it then calls...

CVE-2023-54195

CVE-2023-54195 affects the Linux kernel’s rxrpc stack. A call that hasn’t been granted a channel could timeout prematurely because rxrpc_kernel_set_max_life() started the call timer before a connection was assigned, risking a NULL pointer dereference. The published fixes note to record timeouts i...

CVE-2023-54181 bpf: Fix issue in verifying allow_ptr_leaks

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix issue in verifying allowptrleaks After we converted the capabilities of our networking-bpf program from capsysadmin to capnetadmin+capbpf, our networking-bpf program failed to start. Because it failed the bpf verifier, a...

CVE-2023-54181

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix issue in verifying allowptrleaks After we converted the capabilities of our networking-bpf program from capsysadmin to capnetadmin+capbpf, our networking-bpf program failed to start. Because it failed the bpf verifier, a...

CVE-2023-54181 bpf: Fix issue in verifying allow_ptr_leaks

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix issue in verifying allowptrleaks After we converted the capabilities of our networking-bpf program from capsysadmin to capnetadmin+capbpf, our networking-bpf program failed to start. Because it failed the bpf verifier, a...

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 the Linux kernel that stems from improper queue selection, which could result in warnings or packet loss...

PT-2025-53980

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 6.0.0-syzkaller-02734-g0326074ff465 Description The Linux kernel contained a flaw where a decl tag could be referenced in a func proto. This issue was discovered through Syzkaller testing and analysis by Martin...

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 BPF validator incorrectly disabling pointer comparisons...

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 the Linux kernel that stems from the failure to decrement the reference count when the bpfprogattach LSM program fails, which could lead to a...

Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2025-992660)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-992660 advisory. In the Linux kernel, the following vulnerability has been resolved: net: openvswitch: fix overwriting ct original tuple for ICMPv6 OVSPACKETCMDEXECUTE has 3 main...

Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2025-992347)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-992347 advisory. In the Linux kernel, the following vulnerability has been resolved: bpf: Don't redirect packets with invalid pktlen Syzbot found an issue 1: fqcodeldrop try to drop ...

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...

Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2025-992341)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-992341 advisory. In the Linux kernel, the following vulnerability has been resolved: bpf: Don't use tnumrange on array range checking for poke descriptors Hsin-Wei reported a KASAN...

Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2025-992610)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-992610 advisory. In the Linux kernel, the following vulnerability has been resolved: drm/sun4i: dsi: Prevent underflow when computing packet sizes Currently, the packet overhead is...

Unity Linux 20.1060e Security Update: kernel (UTSA-2025-992684)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-992684 advisory. In the Linux kernel, the following vulnerability has been resolved: nfc: nci: Fix uninit-value in ncirxwork syzbot reported the following uninit-value access issue 1...

Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2025-992606)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-992606 advisory. In the Linux kernel, the following vulnerability has been resolved: bpf, sockmap: fix race in sockmapfree sockmapfree calls releasesocksk without owning a reference ...

Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2025-992637)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-992637 advisory. In the Linux kernel, the following vulnerability has been resolved: llc: do not use skbget before devqueuexmit syzbot is able to crash hosts 1, using llc and devices...

PT-2025-54024

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 6.3.0-rc7-build3+ 701 Description A flaw exists in the Linux kernel's rxrpc subsystem related to call timeouts. Specifically, the issue occurs when a call is stalled while waiting for a connection, potentially...

PT-2025-54119

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A flaw exists in the Linux kernel related to BPF Berkeley Packet Filter functionality. Specifically, the issue concerns preventing a decl tag from being referenced within a function...