kernel: smc: Fix use-after-free in __pnet_find_base_ndev()

In the Linux kernel, the following vulnerability has been resolved: smc: Fix use-after-free in pnetfindbasendev. syzbot reported use-after-free of netdevice in pnetfindbasendev, which was called during connect. 0 smcpnetfindismresource fetches skdstgetsk-dev and passes down to pnetfindbasendev,...

kernel: net: use dst_dev_rcu() in sk_setup_caps()

In the Linux kernel, the following vulnerability has been resolved: net: use dstdevrcu in sksetupcaps Use RCU to protect accesses to dst-dev from sksetupcaps and skdstgsomaxsize. Also use dstdevrcu in ip6dstmtumaybeforward, and ipdstmtumaybeforward. ip4dsthoplimit can use dstdevnetrcu...

CVE-2026-43101

In the Linux kernel, the following vulnerability has been resolved: ipv6: ioam: fix potential NULL dereferences in ioam6filltracedata We need to check in6devget for possible NULL value, as suggested by Yiming Qian. Also add skbdstdevrcu instead of skbdstdev, and two missing READONCE. Note that @d...

SUSE-SU-2026:20498-1 Security update for the Linux Kernel

The SUSE Linux Enterprise Micro 6.0 and Micro 6.1 kernel was updated to fix various security issues The following security issues were fixed: - CVE-2023-54013: interconnect: Fix locking for runpm vs reclaim bsc1256280. - CVE-2025-38321: smb: Log an error when closeallcacheddirs fails bsc1246328. ...

UBUNTU-CVE-2025-68188

In the Linux kernel, the following vulnerability has been resolved: tcp: use dstdevrcu in tcpfastopenactivedisableofocheck Use RCU to avoid a pair of atomic operations and a potential UAF on dstdev-flags...

CVE-2025-40168

In the Linux kernel, the following vulnerability has been resolved: smc: Use skdstget and dstdevrcu in smcclcprfxmatch. smcclcprfxmatch is called from smclistenwork and not under RCU nor RTNL. Using skdstgetsk-dev could trigger UAF. Let's use skdstget and dstdevrcu. Note that the returned value o...

CVE-2025-40170

In the Linux kernel, the following vulnerability has been resolved: net: use dstdevrcu in sksetupcaps Use RCU to protect accesses to dst-dev from sksetupcaps and skdstgsomaxsize. Also use dstdevrcu in ip6dstmtumaybeforward, and ipdstmtumaybeforward. ip4dsthoplimit can use dstdevnetrcu...

CVE-2025-40158

In the Linux kernel, the following vulnerability has been resolved: ipv6: use RCU in ip6output Use RCU in ip6output in order to use dstdevrcu to prevent possible UAF. We can remove rcureadlock/rcureadunlock pairs from ip6finishoutput2. Mitigation Mitigation for this issue is either not available ...

CVE-2025-40170

In the Linux kernel, the following vulnerability has been resolved: net: use dstdevrcu in sksetupcaps Use RCU to protect accesses to dst-dev from sksetupcaps and skdstgsomaxsize. Also use dstdevrcu in ip6dstmtumaybeforward, and ipdstmtumaybeforward. ip4dsthoplimit can use dstdevnetrcu...

CVE-2025-40168 smc: Use __sk_dst_get() and dst_dev_rcu() in smc_clc_prfx_match().

In the Linux kernel, the following vulnerability has been resolved: smc: Use skdstget and dstdevrcu in smcclcprfxmatch. smcclcprfxmatch is called from smclistenwork and not under RCU nor RTNL. Using skdstgetsk-dev could trigger UAF. Let's use skdstget and dstdevrcu. Note that the returned value o...

CVE-2025-40135

CVE-2025-40135 affects the Linux kernel IPv6 path: the vulnerability arises from not using RCU protection in ip6_xmit(), leading to potential use-after-free unless dst_dev_rcu() is used. The connected advisories confirm a kernel fix and recommend upgrading to an updated kernel package (e.g., via ...

CVE-2025-40135 ipv6: use RCU in ip6_xmit()

In the Linux kernel, the following vulnerability has been resolved: ipv6: use RCU in ip6xmit Use RCU in ip6xmit in order to use dstdevrcu to prevent possible UAF...

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 ip6output not using RCU to protect dstdevrcu access, which could lead to reuse after release...

Linux Distros Unpatched Vulnerability : CVE-2025-40170

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - net: use dstdevrcu in sksetupcaps Use RCU to protect accesses to dst-dev from sksetupcaps and skdstgsomaxsize. Also use dstdevrcu in ip6dstmtumaybeforward, and...

SUSE CVE-2025-40074

In the Linux kernel, the following vulnerability has been resolved: ipv4: start using dstdevrcu Change icmpv4xrlimallow, ipdefrag to prevent possible UAF. Change ipmrpreparexmit, ipmrqueuefwdxmit, ipmroutput, ipv4neighlookup to use lockdep enabled dstdevrcu...

AZL-68894 CVE-2025-40074 affecting package kernel 6.6.126.1-1

In the Linux kernel, the following vulnerability has been resolved: ipv4: start using dstdevrcu Change icmpv4xrlimallow, ipdefrag to prevent possible UAF. Change ipmrpreparexmit, ipmrqueuefwdxmit, ipmroutput, ipv4neighlookup to use lockdep enabled dstdevrcu...

CVE-2025-40074 ipv4: start using dst_dev_rcu()

In the Linux kernel, the following vulnerability has been resolved: ipv4: start using dstdevrcu Change icmpv4xrlimallow, ipdefrag to prevent possible UAF. Change ipmrpreparexmit, ipmrqueuefwdxmit, ipmroutput, ipv4neighlookup to use lockdep enabled dstdevrcu...

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 an improper use of the dstdevrcu function, which could lead to reuse after release...

Linux Distros Unpatched Vulnerability : CVE-2025-40074

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - ipv4: start using dstdevrcu Change icmpv4xrlimallow, ipdefrag to prevent possible UAF. Change ipmrpreparexmit, ipmrqueuefwdxmit, ipmroutput, ipv4neighlookup to...