CVE-2025-40078

Linux kernel vulnerability CVE-2025-40078 concerns bpf_sock_addr padding access. Syzkaller-triggered a verifier bug during context access conversion because an implicit 4-byte padding after msg_src_ip4 was not rejected, allowing invalid padding access to slip through sock_addr_is_valid_access. Th...

CVE-2025-40078

In the Linux kernel, the following vulnerability has been resolved: bpf: Explicitly check accesses to bpfsockaddr Syzkaller found a kernel warning on the following sockaddr program: 0: r0 = 0 1: r2 = u32 r1 +60 2: exit which triggers: verifier bug: error during ctx access conversion 0 This is...

CVE-2025-40078 bpf: Explicitly check accesses to bpf_sock_addr

In the Linux kernel, the following vulnerability has been resolved: bpf: Explicitly check accesses to bpfsockaddr Syzkaller found a kernel warning on the following sockaddr program: 0: r0 = 0 1: r2 = u32 r1 +60 2: exit which triggers: verifier bug: error during ctx access conversion 0 This is...

CVE-2025-40078 bpf: Explicitly check accesses to bpf_sock_addr

In the Linux kernel, the following vulnerability has been resolved: bpf: Explicitly check accesses to bpfsockaddr Syzkaller found a kernel warning on the following sockaddr program: 0: r0 = 0 1: r2 = u32 r1 +60 2: exit which triggers: verifier bug: error during ctx access conversion 0 This is...

CVE-2025-40050 bpf: Skip scalar adjustment for BPF_NEG if dst is a pointer

In the Linux kernel, the following vulnerability has been resolved: bpf: Skip scalar adjustment for BPFNEG if dst is a pointer In checkaluop, the verifier currently calls checkregarg and adjustscalarminmaxvals unconditionally for BPFNEG operations. However, if the destination register holds a...

EUVD-2025-36487

In the Linux kernel, the following vulnerability has been resolved: LoongArch: BPF: Sign-extend struct ops return values properly The nsbpfqdisc selftest triggers a kernel panic: Oops1: CPU 0 Unable to handle kernel paging request at virtual address 0000000000741d58, era == 90000000851b5ac0, ra =...

CVE-2025-40041 LoongArch: BPF: Sign-extend struct ops return values properly

In the Linux kernel, the following vulnerability has been resolved: LoongArch: BPF: Sign-extend struct ops return values properly The nsbpfqdisc selftest triggers a kernel panic: Oops1: CPU 0 Unable to handle kernel paging request at virtual address 0000000000741d58, era == 90000000851b5ac0, ra =...

Amazon Linux 2 : kernel, --advisory ALAS2KERNEL-5.10-2025-109 (ALASKERNEL-5.10-2025-109)

The version of kernel installed on the remote host is prior to 5.10.245-241.976. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2KERNEL-5.10-2025-109 advisory. In the Linux kernel, the following vulnerability has been resolved: netdevsim: fix memory leak in...

Siemens SIMATIC Devices Improper Input Validation (CVE-2025-21728)

bpf: Send signals asynchronously if !preemptible BPF programs can execute in all kinds of contexts and when a program running in a non- preemptible context uses the bpfsendsignal kfunc, it will cause issues because this kfunc can sleep. This plugin only works with Tenable.ot. Please visit...

Siemens SIMATIC Devices Improper Input Validation (CVE-2024-42281)

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix a segment issue when downgrading gsosize Linearize the skb when downgrading gsosize because it may trigger a BUGON later when the skb is segmented as described in 1,2. This plugin only works with Tenable.ot. Please visit...

Siemens SIMATIC Devices Improper Locking (CVE-2024-35895)

"In the Linux kernel, the following vulnerability has been resolved: bpf, sockmap: Prevent lock inversion deadlock in map delete elem syzkaller started using corpuses where a BPF tracing program deletes elements from a sockmap/sockhash map. Because BPF tracing programs can be invoked from any...

Important: kernel

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: netdevsim: fix memory leak in nsimdrvprobe when nsimdevresourcesregister failed CVE-2022-50500 In the Linux kernel, the following vulnerability has been resolved: scsi: qla2xxx: Use rawsmpprocessorid instead of...

Siemens SIMATIC, SCALANCE and RUGGEDCOM Devices Improper Handling of Values (CVE-2024-46783)

In the Linux kernel, the following vulnerability has been resolved: tcpbpf: fix return value of tcpbpfsendmsg. This plugin only works with Tenable.ot. Please visit https://www.tenable.com/products/tenable-ot for more information. %NASLMINLEVEL 80900 C Tenable, Inc. include'compat.inc'; if...

EUVD-2022-54538

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix requestsock leak in sk lookup helpers A customer reported a requestsocket leak in a Calico cloud environment. We found that a BPF program was doing a socket lookup with takes a refcnt on the socket and that it was findin...

EUVD-2022-54680

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix combination of jit blinding and pointers to bpf subprogs. The combination of jit blinding and pointers to bpf subprogs causes: 36.989548 BUG: unable to handle page fault for address: 0000000100000001 36.990342 PF:...

bpf: Add BPF_PROG_TYPE_CGROUP_SKB attach type enforcement in BPF_LINK_CREATE

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EUVD-2022-54887

In the Linux kernel, the following vulnerability has been resolved: bpf, arm64: Clear prog-jitedlen along prog-jited syzbot reported an illegal copytouser attempt from bpfproggetinfobyfd 1 There was no repro yet on this bug, but I think that commit 0aef499f3172 "mm/usercopy: Detect vmalloc...

Unity Linux 20.1070e Security Update: kernel (UTSA-2025-987627)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-987627 advisory. In the Linux kernel, the following vulnerability has been resolved: bpf, sockmap: Fix double uncharge the mem of skmsg If tcpbpfsendmsg is running during a tear down...

Unity Linux 20.1070e Security Update: kernel (UTSA-2025-987576)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-987576 advisory. In the Linux kernel, the following vulnerability has been resolved: bpf: Add oversize check before call kvcalloc Commit 7661809d493b mm: don't allow oversized kvmall...

Security update for the Linux Kernel

The SUSE Linux Enterprise 15 SP6 Azure kernel was updated to receive various security bugfixes. The following security bugs were fixed: CVE-2023-53261: coresight: Fix memory leak in acpibuffer-pointer bsc1249770. CVE-2024-46733: btrfs: fix qgroup reserve leaks in cowfilerange bsc1230708...