kernel: net: guard timestamp cmsgs to real error queue skbs

A flaw was found in the Linux kernel's networking component. This vulnerability allows a remote attacker to potentially access sensitive information or cause system instability. By sending specially crafted network packets, an attacker can exploit an issue in how the kernel handles timestamping f...

CVE-2026-80731

In the Linux kernel, the following vulnerability has been resolved: net: remove CAPSYSRAWIO zero-padding in devvalidateheader devvalidateheader reads dev-hardheaderlen directly when zero-padding short link layer headers for CAPSYSRAWIO holders: if capableCAPSYSRAWIO memsetllheader + len, 0,...

CVE-2026-80617

In the Linux kernel, the following vulnerability has been resolved: net: airoha: fix foechecktime allocation size foechecktime is declared as u16 pointer but was allocated with only ppenumentries bytes instead of ppenumentries sizeofu16. When airohappefoeverifyentry is called with hash =...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ipv6: mcast: removed one synchronizenet call from ipv6mcdown. As discussed in previous discussions commit 2d3916f31891 “ipv6: fix skb drops in igmp6eventquery and igmp6eventreport”, the synchronizenet call in ipv6mcdown is not...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: net: gso: Fixed a panic that occurred when using a fraglist with mixed head allocation types. Since the commit 3dcbdb134f32 “net: gso: Fixed an error in skbsegment when splitting a gsosize mangled skb having linear-headed...

CVE-2026-72414

A flaw was found in the Linux kernel's net: dsa: sja1105 component. This vulnerability occurs when processing specific timing parameters, where very small user-provided values are converted to zero. This incorrect conversion can lead to a division-by-zero error in the futurebasetime function, whi...

Unity Linux 20.1050a Security Update: kernel (UTSA-2026-100748)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-100748 advisory. In the Linux kernel, the following vulnerability has been resolved: net: hamradio: 6pack: fix uninit-value in sixpackreceivebuf sixpackreceivebuf does not properly...

UBUNTU-CVE-2026-72296

In the Linux kernel, the following vulnerability has been resolved: net: ife: require ETHHLEN to be pullable in ifedecode ife decode may return after making only the outer IFE header and metadata pullable. The caller then passes the decapsulated packet to ethtypetrans, which expects the inner...

CVE-2026-74264 net: watchdog: fix refcount tracking races

In the Linux kernel, the following vulnerability has been resolved: net: watchdog: fix refcount tracking races Blamed commit converted the untracked devhold/devput calls in the watchdog code to use the tracked devholdtrack/devputtrack which were later renamed/interfaced to netdevhold and netdevpu...

CVE-2026-72405 net: udp_tunnel: prevent double queueing in udp_tunnel_nic_device_sync

In the Linux kernel, the following vulnerability has been resolved: net: udptunnel: prevent double queueing in udptunnelnicdevicesync Yue Sun reported a use-after-free and debugobjects warning in udptunnelnicdevicesyncwork during concurrent device operations. The workqueue core clears the interna...

CVE-2026-72104

In the Linux kernel, the following vulnerability has been resolved: dm-pcache: reject option groups without values The pcache target parses optional arguments as name/value pairs. A table that advertises one optional argument and supplies only a recognized option name, for example "cachemode",...

CVE-2026-72017 net: macb: drop in-flight Tx SKBs on close

In the Linux kernel, the following vulnerability has been resolved: net: macb: drop in-flight Tx SKBs on close The MACB driver has since forever leaked the outgoing SKBs that have not yet been marked as completed. They live in queue-txskb which gets freed without remorse nor checking...

CVE-2026-68440

In the Linux kernel, the following vulnerability has been resolved: net: txgbe: fix heap overflow when reading module EEPROM txgbereadeepromhostif always copies rounduplength, 4 bytes into the caller buffer, which ethtool allocates with exactly 'length' bytes. A non-4-aligned length therefore...

net: phonet: free phonet_device after RCU grace period

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net: skbuff: fix missing zerocopy reference in pskb_carve helpers

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SUSE-SU-2026:22476-1 Security update for the Linux Kernel (Live Patch 23 for SUSE Linux Enterprise Micro 6.0)

This update for the SUSE Linux Enterprise Kernel 6.4.0-46.1 fixes various security issues The following security issues were fixed: - CVE-2026-31402: nfsd: fix heap overflow in NFSv4.0 LOCK replay cache bsc1261640. - CVE-2026-31504: net: fix fanout UAF in packetrelease via NETDEVUP race bsc126308...

CVE-2026-52943

In the Linux kernel, the following vulnerability has been resolved: net: skbuff: fix missing zerocopy reference in pskbcarve helpers pskbcarveinsideheader and pskbcarveinsidenonlinear both copy the old skbsharedinfo header into a new buffer via memcpy, which includes the destructorarg pointer uar...

net: strparser: fix skb_head leak in strp_abort_strp()

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CVE-2026-45847

In the Linux kernel, the following vulnerability has been resolved: net: remove WARNONONCE when accessing forward path array Although unlikely, recent support for IPIP tunnels increases chances of reaching this WARNONONCE if userspace manages to build a sufficiently long forward path. Remove it...

CVE-2026-43194

In the Linux kernel, the following vulnerability has been resolved: net: consume xmit errors of GSO frames udpgrofrglist.sh and udpgrobench.sh are the flakiest tests currently in NIPA. They fail in the same exact way, TCP GRO test stalls occasionally and the test gets killed after 10min. These...