CVE-2025-38640

In the Linux kernel, the following vulnerability has been resolved: bpf: Disable migration in nfhookrunbpf. syzbot reported that the netfilter bpf prog can be called without migration disabled in xmit path. Then the assertion in bpfprogrun fails, triggering the splat below. 0 Let's use...

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 nfhookrunbpf undisabled migration, which could lead to assertion failure...

USN-7703-3 linux-oracle, linux-oracle-6.8 vulnerabilities

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - ARM64 architecture; - PowerPC architecture; - x86 architecture; - Block layer subsystem; - GPIO subsystem; - GPU...

USN-7703-2 linux-aws-6.8, linux-gcp, linux-gcp-6.8, linux-gkeop, linux-ibm, linux-ibm-6.8 vulnerabilities

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - ARM64 architecture; - PowerPC architecture; - x86 architecture; - Block layer subsystem; - GPIO subsystem; - GPU...

SUSE CVE-2025-38591

In the Linux kernel, the following vulnerability has been resolved: bpf: Reject narrower access to pointer ctx fields The following BPF program, simplified from a syzkaller repro, causes a kernel warning: r0 = u8 r1 + 169; exit; With pointer field sk being at offset 168 in skbuff. This access is...

SUSE CVE-2025-38607

In the Linux kernel, the following vulnerability has been resolved: bpf: handle jset if a & b ... as a jump in CFG computation BPFJSET is a conditional jump and currently verifier.c:canjump does not know about that. This can lead to incorrect live registers and SCC computation. E.g. in the...

DEBIAN-CVE-2025-38608

In the Linux kernel, the following vulnerability has been resolved: bpf, ktls: Fix data corruption when using bpfmsgpopdata in ktls When sending plaintext data, we initially calculated the corresponding ciphertext length. However, if we later reduced the plaintext data length via socket policy, w...

AZL-71033 CVE-2025-38591 affecting package kernel 5.15.200.1-1

In the Linux kernel, the following vulnerability has been resolved: bpf: Reject narrower access to pointer ctx fields The following BPF program, simplified from a syzkaller repro, causes a kernel warning: r0 = u8 r1 + 169; exit; With pointer field sk being at offset 168 in skbuff. This access is...

AZL-66440 CVE-2025-38591 affecting package kernel 6.6.126.1-1

In the Linux kernel, the following vulnerability has been resolved: bpf: Reject narrower access to pointer ctx fields The following BPF program, simplified from a syzkaller repro, causes a kernel warning: r0 = u8 r1 + 169; exit; With pointer field sk being at offset 168 in skbuff. This access is...

DEBIAN-CVE-2025-38586

In the Linux kernel, the following vulnerability has been resolved: bpf, arm64: Fix fp initialization for exception boundary In the ARM64 BPF JIT when prog-aux-exceptionboundary is set for a BPF program, findusedcalleeregs is not called because for a program acting as exception boundary, all call...

DEBIAN-CVE-2025-38591

In the Linux kernel, the following vulnerability has been resolved: bpf: Reject narrower access to pointer ctx fields The following BPF program, simplified from a syzkaller repro, causes a kernel warning: r0 = u8 r1 + 169; exit; With pointer field sk being at offset 168 in skbuff. This access is...

UBUNTU-CVE-2025-38591

In the Linux kernel, the following vulnerability has been resolved: bpf: Reject narrower access to pointer ctx fields The following BPF program, simplified from a syzkaller repro, causes a kernel warning: r0 = u8 r1 + 169; exit; With pointer field sk being at offset 168 in skbuff. This access is...

UBUNTU-CVE-2025-38586

In the Linux kernel, the following vulnerability has been resolved: bpf, arm64: Fix fp initialization for exception boundary In the ARM64 BPF JIT when prog-aux-exceptionboundary is set for a BPF program, findusedcalleeregs is not called because for a program acting as exception boundary, all call...

CVE-2025-38607 bpf: handle jset (if a & b ...) as a jump in CFG computation

In the Linux kernel, the following vulnerability has been resolved: bpf: handle jset if a & b ... as a jump in CFG computation BPFJSET is a conditional jump and currently verifier.c:canjump does not know about that. This can lead to incorrect live registers and SCC computation. E.g. in the...

CVE-2025-38591

CVE-2025-38591 affects the Linux kernel and is resolved by a patch in the BPF verifier. The issue involved a narrowing context access check in BPF, where a program attempted to read a pointer field (offset 169) in __sk_buff (field sk at offset 168). The verifier incorrectly allowed this “narrower...

CVE-2025-38591

In the Linux kernel, the following vulnerability has been resolved: bpf: Reject narrower access to pointer ctx fields The following BPF program, simplified from a syzkaller repro, causes a kernel warning: r0 = u8 r1 + 169; exit; With pointer field sk being at offset 168 in skbuff. This access is...

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, which stems from the bpf module denying narrower access to the pointer ctx field...

kernel: bpf, test_run: Fix use-after-free issue in eth_skb_pkt_type()

In the Linux kernel, the following vulnerability has been resolved: bpf, testrun: Fix use-after-free issue in ethskbpkttype KMSAN reported a use-after-free issue in ethskbpkttype1. The cause of the issue was that ethskbpkttype accessed skb's data that didn't contain an Ethernet header. This occur...

SUSE CVE-2025-38502

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix oob access in cgroup local storage Lonial reported that an out-of-bounds access in cgroup local storage can be crafted via tail calls. Given two programs each utilizing a cgroup local storage with a different value size,...

AZL-66410 CVE-2025-38528 affecting package kernel for versions less than 6.6.104.2-1

In the Linux kernel, the following vulnerability has been resolved: bpf: Reject %p% format string in bprintf-like helpers static const char fmt = "%p%"; bpftraceprintkfmt, sizeoffmt; The above BPF program isn't rejected and causes a kernel warning at runtime: Please remove unsupported %\x00 in...