CVE-2023-54300 wifi: ath9k: avoid referencing uninit memory in ath9k_wmi_ctrl_rx

In the Linux kernel, the following vulnerability has been resolved: wifi: ath9k: avoid referencing uninit memory in ath9kwmictrlrx For the reasons also described in commit b383e8abed41 "wifi: ath9k: avoid uninit memory read in ath9khtcrxmsg", ath9khtcrxmsg should validate pktlen before accessing...

CVE-2023-54288 wifi: mac80211: fortify the spinlock against deadlock by interrupt

In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: fortify the spinlock against deadlock by interrupt In the function ieee80211txdequeue there is a particular locking sequence: begin: spinlock&local-queuestopreasonlock; qstopped = local-queuestopreasonsq;...

CVE-2022-50883

CVE-2022-50883 concerns the Linux kernel, where a bpf-related vulnerability allowed a decl_tag to be referenced in a function prototype argument. The issue surfaces when parsing BTF/func_proto during bpf_btf_load and related paths, as Syzkaller traced an offending decl_tag usage through btf_func_...

CVE-2022-50883 bpf: Prevent decl_tag from being referenced in func_proto arg

In the Linux kernel, the following vulnerability has been resolved: bpf: Prevent decltag from being referenced in funcproto arg Syzkaller managed to hit another decltag issue: btffuncprotocheck kernel/bpf/btf.c:4506 inline btfcheckalltypes kernel/bpf/btf.c:4734 inline btfparsetypesec+0x1175/0x198...

CVE-2022-50883

In the Linux kernel, the following vulnerability has been resolved: bpf: Prevent decltag from being referenced in funcproto arg Syzkaller managed to hit another decltag issue: btffuncprotocheck kernel/bpf/btf.c:4506 inline btfcheckalltypes kernel/bpf/btf.c:4734 inline btfparsetypesec+0x1175/0x198...

CVE-2023-54247 bpf: Silence a warning in btf_type_id_size()

In the Linux kernel, the following vulnerability has been resolved: bpf: Silence a warning in btftypeidsize syzbot reported a warning in 1 with the following stacktrace: WARNING: CPU: 0 PID: 5005 at kernel/bpf/btf.c:1988 btftypeidsize+0x2d9/0x9d0 kernel/bpf/btf.c:1988 ... RIP:...

CVE-2023-54247

In the Linux kernel, the following vulnerability has been resolved: bpf: Silence a warning in btftypeidsize syzbot reported a warning in 1 with the following stacktrace: WARNING: CPU: 0 PID: 5005 at kernel/bpf/btf.c:1988 btftypeidsize+0x2d9/0x9d0 kernel/bpf/btf.c:1988 ... RIP:...

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-2022-50862

CVE-2022-50862 affects the Linux kernel BPF subsystem. The issue arises in creating a function prototype that returns a type referencing decl_tag, as analyzed via bpf/btf.c and related code paths (btf_type_id_size, btf_parse_type_sec, btf_new_fd, bpf_btf_load). The provided traces show a kernel w...

CVE-2022-50862

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

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-2023-54195 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-2023-54181 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 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...

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...

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 Linux kernel that stems from improper BTF type checking, which may result in a kernel warning...

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 improper queue selection, which could result in warnings or packet loss...

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 Linux kernel that stems from the BPF validator incorrectly disabling pointer comparisons...

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 failure to decrement the reference count when the bpfprogattach LSM program fails, which could lead to a...