CVE-2025-38591 bpf: Reject narrower access to pointer ctx fields

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...

CVE-2025-38591 bpf: Reject narrower access to pointer ctx fields

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...

GHSA-R5XW-Q988-826M Remote Memory Exposure in mongoose

Versions of mongoose before 4.3.6, 3.8.39 are vulnerable to remote memory exposure. Trying to save a number to a field of type Buffer on the affected mongoose versions allocates a chunk of uninitialized memory and stores it in the database. Recommendation Update to version 4.3.6, 3.8.39 or later...

kernel: gro: reset dev and skb_iff on skb reuse

The napireuseskb function in net/core/dev.c in the Generic Receive Offload GRO implementation in the Linux kernel before 2.6.38 does not reset the values of certain structure members, which might allow remote attackers to cause a denial of service NULL pointer dereference via a malformed VLAN fra...