UBUNTU-CVE-2022-49840

In the Linux kernel, the following vulnerability has been resolved: bpf, testrun: Fix alignment problem in bpfprogtestrunskb We got a syzkaller problem because of aarch64 alignment fault if KFENCE enabled. When the size from user bpf program is an odd number, like 399, 407, etc, it will cause the...

UBUNTU-CVE-2022-49814

In the Linux kernel, the following vulnerability has been resolved: kcm: close race conditions on skreceivequeue sk-skreceivequeue is protected by skb queue lock, but for KCM sockets its RX path takes mux-rxlock to protect more than just skb queue. However, kcmrecvmsg still only grabs the skb que...

DEBIAN-CVE-2025-37790

In the Linux kernel, the following vulnerability has been resolved: net: mctp: Set SOCKRCUFREE Bind lookup runs under RCU, so ensure that a socket doesn't go away in the middle of a lookup...

CVE-2025-37790

In the Linux kernel, the following vulnerability has been resolved: net: mctp: Set SOCKRCUFREE Bind lookup runs under RCU, so ensure that a socket doesn't go away in the middle of a lookup...

UBUNTU-CVE-2025-37790

In the Linux kernel, the following vulnerability has been resolved: net: mctp: Set SOCKRCUFREE Bind lookup runs under RCU, so ensure that a socket doesn't go away in the middle of a lookup...

CVE-2022-49923 nfc: nxp-nci: Fix potential memory leak in nxp_nci_send()

In the Linux kernel, the following vulnerability has been resolved: nfc: nxp-nci: Fix potential memory leak in nxpncisend nxpncisend will call nxpncii2cwrite, and only free skb when nxpncii2cwrite failed. However, even if the nxpncii2cwrite run succeeds, the skb will not be freed in nxpncii2cwrit...

CVE-2022-49921 net: sched: Fix use after free in red_enqueue()

In the Linux kernel, the following vulnerability has been resolved: net: sched: Fix use after free in redenqueue We can't use "skb" again after passing it to qdiscenqueue. This is basically identical to commit 2f09707d0c97 "schsfb: Also store skb len before calling child enqueue"...

CVE-2022-49908 Bluetooth: L2CAP: Fix memory leak in vhci_write

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: Fix memory leak in vhciwrite Syzkaller reports a memory leak as follows: ==================================== BUG: memory leak unreferenced object 0xffff88810d81ac00 size 240: ... hex dump first 32 bytes: 00 00 ...

CVE-2022-49877

In the Linux kernel, the following vulnerability has been resolved: bpf, sockmap: Fix the sk-skforwardalloc warning of skstreamkillqueues When running testsockmap selftests, the following warning appears: WARNING: CPU: 2 PID: 197 at net/core/stream.c:205 skstreamkillqueues+0xd3/0xf0 Call Trace:...

CVE-2022-49814 kcm: close race conditions on sk_receive_queue

In the Linux kernel, the following vulnerability has been resolved: kcm: close race conditions on skreceivequeue sk-skreceivequeue is protected by skb queue lock, but for KCM sockets its RX path takes mux-rxlock to protect more than just skb queue. However, kcmrecvmsg still only grabs the skb que...

CVE-2025-37756

In the Linux kernel, the following vulnerability has been resolved: net: tls: explicitly disallow disconnect syzbot discovered that it can disconnect a TLS socket and then run into all sort of unexpected corner cases. I have a vague recollection of Eric pointing this out to us a long time ago...

DEBIAN-CVE-2025-37749

In the Linux kernel, the following vulnerability has been resolved: net: ppp: Add bound checking for skb data on pppsynctxmung Ensure we have enough data in linear buffer from skb before accessing initial bytes. This prevents potential out-of-bounds accesses when processing short packets. When...

AZL-69677 CVE-2025-23143 affecting package kernel for versions less than 6.6.112.1-2

In the Linux kernel, the following vulnerability has been resolved: net: Fix null-ptr-deref by socklockinitclassandname and rmmod. When I ran the repro 0 and waited a few seconds, I observed two LOCKDEP splats: a warning immediately followed by a null-ptr-deref. 1 Reproduction Steps: 1 Mount CIFS...

DEBIAN-CVE-2025-23143

In the Linux kernel, the following vulnerability has been resolved: net: Fix null-ptr-deref by socklockinitclassandname and rmmod. When I ran the repro 0 and waited a few seconds, I observed two LOCKDEP splats: a warning immediately followed by a null-ptr-deref. 1 Reproduction Steps: 1 Mount CIFS...

CVE-2025-23143

In the Linux kernel, the following vulnerability has been resolved: net: Fix null-ptr-deref by socklockinitclassandname and rmmod. When I ran the repro 0 and waited a few seconds, I observed two LOCKDEP splats: a warning immediately followed by a null-ptr-deref. 1 Reproduction Steps: 1 Mount CIFS...

UBUNTU-CVE-2025-23143

In the Linux kernel, the following vulnerability has been resolved: net: Fix null-ptr-deref by socklockinitclassandname and rmmod. When I ran the repro 0 and waited a few seconds, I observed two LOCKDEP splats: a warning immediately followed by a null-ptr-deref. 1 Reproduction Steps: 1 Mount CIFS...

UBUNTU-CVE-2025-37749

In the Linux kernel, the following vulnerability has been resolved: net: ppp: Add bound checking for skb data on pppsynctxmung Ensure we have enough data in linear buffer from skb before accessing initial bytes. This prevents potential out-of-bounds accesses when processing short packets. When...

CVE-2025-37790

The CVE-2025-37790 issue concerns the Linux kernel: specifically the net: mctp: Set SOCK_RCU_FREE path where a socket could disappear during a Bind lookup that runs under RCU. The vulnerability arises from the Bind lookup performing operations under RCU, potentially leading to use-after-free scen...

CVE-2025-37790 net: mctp: Set SOCK_RCU_FREE

In the Linux kernel, the following vulnerability has been resolved: net: mctp: Set SOCKRCUFREE Bind lookup runs under RCU, so ensure that a socket doesn't go away in the middle of a lookup...

CVE-2025-37790

In the Linux kernel, the following vulnerability has been resolved: net: mctp: Set SOCKRCUFREE Bind lookup runs under RCU, so ensure that a socket doesn't go away in the middle of a lookup...