CVE-2025-38638 ipv6: add a retry logic in net6_rt_notify()

In the Linux kernel, the following vulnerability has been resolved: ipv6: add a retry logic in net6rtnotify inet6rtnotify can be called under RCU protection only. This means the route could be changed concurrently and rt6fillnode could return -EMSGSIZE. Re-size the skb when this happens and retry...

PT-2025-34399 · Linux · Linux Kernel

Name of the Vulnerable Software and Affected Versions: Linux kernel versions prior to 6.16.0-rc7-syzkaller Description: The Linux kernel contained a flaw in the inet6 rt notify function within the IPv6 networking stack. Specifically, the function could be called while under RCU protection,...

SUSE SLES15: kernel-coco / kernel-coco-devel / kernel-coco_debug / etc (SUSE-SU-2025:02923-1)

The remote SUSE Linux SLES15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2025:02923-1 advisory. The SUSE Linux Enterprise 15 SP6 Confidential Computing kernel was updated to receive various security bugfixes. The following security bugs...

AZL-66476 CVE-2025-38574 affecting package kernel for versions less than 6.6.104.2-1

In the Linux kernel, the following vulnerability has been resolved: pptp: ensure minimal skb length in pptpxmit Commit aabc6596ffb3 "net: ppp: Add bound checking for skb data on pppsynctxmung" fixed pppsynctxmunge We need a similar fix in pptpxmit, otherwise we might read uninit data as reported ...

UBUNTU-CVE-2025-38572

In the Linux kernel, the following vulnerability has been resolved: ipv6: reject malicious packets in ipv6gsosegment syzbot was able to craft a packet with very long IPv6 extension headers leading to an overflow of skb-transportheader. This 16bit field has a limited range. Add...

CVE-2025-38592 Bluetooth: hci_devcd_dump: fix out-of-bounds via dev_coredumpv

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hcidevcddump: fix out-of-bounds via devcoredumpv Currently both devcoredumpv and skbputdata in hcidevcddump use hdev-dump.head. However, devcoredumpv can free the buffer. From devcoredumpmtimeout documentation, which i...

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...

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...

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...

ALSA-2025:14009 Important: kernel security update

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: bpf, testrun: Fix use-after-free issue in ethskbpkttype CVE-2025-21867 kernel: net: fix udp gso skbsegment after pull from fraglist CVE-2025-38124 kernel: Bluetooth: hcicore: Fix...

SUSE CVE-2025-38545

In the Linux kernel, the following vulnerability has been resolved: net: ethernet: ti: am65-cpsw-nuss: Fix skb size by accounting for skbsharedinfo While transitioning from netdevallocipalign to buildskb, memory for the "skbsharedinfo" member of an "skb" was not allocated. Fix this by allocating...

UBUNTU-CVE-2025-38545

In the Linux kernel, the following vulnerability has been resolved: net: ethernet: ti: am65-cpsw-nuss: Fix skb size by accounting for skbsharedinfo While transitioning from netdevallocipalign to buildskb, memory for the "skbsharedinfo" member of an "skb" was not allocated. Fix this by allocating...

CVE-2025-38545

In the Linux kernel, the following vulnerability has been resolved: net: ethernet: ti: am65-cpsw-nuss: Fix skb size by accounting for skbsharedinfo While transitioning from netdevallocipalign to buildskb, memory for the "skbsharedinfo" member of an "skb" was not allocated. Fix this by allocating...

CVE-2025-38545

CVE-2025-38545 : In the Linux kernel, the am65 CPSW network driver (ti am65-cpsw-nuss) had an issue where skb_shared_info memory was not allocated during transition from netdev_alloc_ip_align() to build_skb(). The fix allocates PAGE_SIZE as the skb length (accounting for packet length, headroom, ...

CVE-2025-38513

In the Linux kernel, the following vulnerability has been resolved: wifi: zd1211rw: Fix potential NULL pointer dereference in zdmactxtodev There is a potential NULL pointer dereference in zdmactxtodev. For example, the following is possible: T0 T1 zdmactxtodev / len == skbqueuelenq / while len...

DEBIAN-CVE-2025-38513

In the Linux kernel, the following vulnerability has been resolved: wifi: zd1211rw: Fix potential NULL pointer dereference in zdmactxtodev There is a potential NULL pointer dereference in zdmactxtodev. For example, the following is possible: T0 T1 zdmactxtodev / len == skbqueuelenq / while len...

AZL-66377 CVE-2025-38513 affecting package kernel for versions less than 6.6.104.2-1

In the Linux kernel, the following vulnerability has been resolved: wifi: zd1211rw: Fix potential NULL pointer dereference in zdmactxtodev There is a potential NULL pointer dereference in zdmactxtodev. For example, the following is possible: T0 T1 zdmactxtodev / len == skbqueuelenq / while len...

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 the Linux kernel that stems from a failure to consider the skbsharedinfo memory space, which could result in a buffer error...

OESA-2025-2002 kernel security update

The Linux Kernel, the operating system core itself. Security Fixes: In the Linux kernel, the following vulnerability has been resolved: net: allow small head cache usage with large MAXSKBFRAGS values Sabrina reported the following splat: WARNING: CPU: 0 PID: 1 at net/core/dev.c:6935...

OESA-2025-2004 kernel security update

The Linux Kernel, the operating system core itself. Security Fixes: In the Linux kernel, the following vulnerability has been resolved: net: allow small head cache usage with large MAXSKBFRAGS values Sabrina reported the following splat: WARNING: CPU: 0 PID: 1 at net/core/dev.c:6935...