CVE-2025-38466 perf: Revert to requiring CAP_SYS_ADMIN for uprobes

In the Linux kernel, the following vulnerability has been resolved: perf: Revert to requiring CAPSYSADMIN for uprobes Jann reports that uprobes can be used destructively when used in the middle of an instruction. The kernel only verifies there is a valid instruction at the requested offset, but d...

CVE-2025-38465 netlink: Fix wraparounds of sk->sk_rmem_alloc.

In the Linux kernel, the following vulnerability has been resolved: netlink: Fix wraparounds of sk-skrmemalloc. Netlink has this pattern in some places if atomicread&sk-skrmemalloc sk-skrcvbuf atomicaddskb-truesize, &sk-skrmemalloc; , which has the same problem fixed by commit 5a465a0da13e "udp:...

CVE-2025-38465

CVE-2025-38465 is a Linux kernel netlink vulnerability related to wraparounds in sk->sk_rmem_alloc. The issue arises from reading and updating sk_rmem_alloc with a pattern like if (atomic_read(&sk->sk_rmem_alloc) > sk->sk_rcvbuf) atomic_add(skb->truesize, &sk->sk_rmem_alloc);, w...

CVE-2025-38464

In the Linux kernel, the following vulnerability has been resolved: tipc: Fix use-after-free in tipcconnclose. syzbot reported a null-ptr-deref in tipcconnclose during netns dismantle. 0 tipctopsrvstop iterates tipcnetnet-topsrv-connidr and calls tipcconnclose for each tipcconn. The problem is th...

CVE-2025-38462

In the Linux kernel, the following vulnerability has been resolved: vsock: Fix transportg2h,h2g TOCTOU vsockfindcid and vsockdevdoioctl may race with module unload. transportg2h,h2g may become NULL after the NULL check. Introduce vsocktransportlocalcid to protect from a potential null-ptr-deref...

CVE-2025-38463

In the Linux kernel, the following vulnerability has been resolved: tcp: Correct signedness in skb remaining space calculation Syzkaller reported a bug 1 where sk-skforwardalloc can overflow. When we send data, if an skb exists at the tail of the write queue, the kernel will attempt to append the...

CVE-2025-38463 tcp: Correct signedness in skb remaining space calculation

In the Linux kernel, the following vulnerability has been resolved: tcp: Correct signedness in skb remaining space calculation Syzkaller reported a bug 1 where sk-skforwardalloc can overflow. When we send data, if an skb exists at the tail of the write queue, the kernel will attempt to append the...

CVE-2025-38463

CVE-2025-38463: Linux kernel TCP skb remaining space calculation contains a signedness bug in skb->len vs size_goal, allowing sk_forward_alloc overflow in certain write-path conditions. Root cause: copy = size_goal - skb->len is computed with mismatched signed/unsigned types, producing a la...

CVE-2025-38461 vsock: Fix transport_* TOCTOU

In the Linux kernel, the following vulnerability has been resolved: vsock: Fix transport TOCTOU Transport assignment may race with module unload. Protect newtransport from becoming a stale pointer. This also takes care of an insecure call in vsockuselocaltransport; add a lockdep assert. BUG: unab...

CVE-2025-38461

In the Linux kernel, the following vulnerability has been resolved: vsock: Fix transport TOCTOU Transport assignment may race with module unload. Protect newtransport from becoming a stale pointer. This also takes care of an insecure call in vsockuselocaltransport; add a lockdep assert. BUG: unab...

CVE-2025-38459

CVE-2025-38459: Linux kernel ATM CLIP module vulnerability causing Denial of Service via infinite recursion in clip_push(). Root cause: second ATMARP_MKIP ioctl triggers recursion when vcc->old_push is used after first call; mitigation implemented by checking vcc->user_back (clip_vcc) and u...

CVE-2025-38458

In the Linux kernel, the following vulnerability has been resolved: atm: clip: Fix NULL pointer dereference in vccsendmsg atmarpddevops does not implement the send method, which may cause crash as bellow. BUG: kernel NULL pointer dereference, address: 0000000000000000 PGD 0 P4D 0 Oops: Oops: 0010...

CVE-2025-38459

In the Linux kernel, the following vulnerability has been resolved: atm: clip: Fix infinite recursive call of clippush. syzbot reported the splat below. 0 This happens if we call ioctlATMARPMKIP more than once. During the first call, clipmkip sets clippush to vcc-push, and the second call copies ...

CVE-2025-38458 atm: clip: Fix NULL pointer dereference in vcc_sendmsg()

In the Linux kernel, the following vulnerability has been resolved: atm: clip: Fix NULL pointer dereference in vccsendmsg atmarpddevops does not implement the send method, which may cause crash as bellow. BUG: kernel NULL pointer dereference, address: 0000000000000000 PGD 0 P4D 0 Oops: Oops: 0010...

CVE-2025-38459 atm: clip: Fix infinite recursive call of clip_push().

In the Linux kernel, the following vulnerability has been resolved: atm: clip: Fix infinite recursive call of clippush. syzbot reported the splat below. 0 This happens if we call ioctlATMARPMKIP more than once. During the first call, clipmkip sets clippush to vcc-push, and the second call copies ...

CVE-2025-38457

In the Linux kernel, the following vulnerability has been resolved: net/sched: Abort tcmodifyqdisc if parent class does not exist Lion's patch 1 revealed an ancient bug in the qdisc API. Whenever a user creates/modifies a qdisc specifying as a parent another qdisc, the qdisc API will, during...

CVE-2025-38457 net/sched: Abort __tc_modify_qdisc if parent class does not exist

In the Linux kernel, the following vulnerability has been resolved: net/sched: Abort tcmodifyqdisc if parent class does not exist Lion's patch 1 revealed an ancient bug in the qdisc API. Whenever a user creates/modifies a qdisc specifying as a parent another qdisc, the qdisc API will, during...

CVE-2025-38456 ipmi:msghandler: Fix potential memory corruption in ipmi_create_user()

In the Linux kernel, the following vulnerability has been resolved: ipmi:msghandler: Fix potential memory corruption in ipmicreateuser The "intf" list iterator is an invalid pointer if the correct "intf-intfnum" is not found. Calling atomicdec&intf-nrusers on and invalid pointer will lead to memo...

CVE-2025-38456 ipmi:msghandler: Fix potential memory corruption in ipmi_create_user()

In the Linux kernel, the following vulnerability has been resolved: ipmi:msghandler: Fix potential memory corruption in ipmicreateuser The "intf" list iterator is an invalid pointer if the correct "intf-intfnum" is not found. Calling atomicdec&intf-nrusers on and invalid pointer will lead to memo...

CVE-2025-38456

In the Linux kernel, the following vulnerability has been resolved: ipmi:msghandler: Fix potential memory corruption in ipmicreateuser The "intf" list iterator is an invalid pointer if the correct "intf-intfnum" is not found. Calling atomicdec&intf-nrusers on and invalid pointer will lead to memo...