Linux kernel 安全漏洞

The Linux kernel is the core of the open-source operating system Linux, developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which stems from the failure to release skb objects, potentially leading to memory leaks...

SUSE-SU-2026:20889-1 Security update for the Linux Kernel (Live Patch 14 for SUSE Linux Enterprise Micro 6.0)

This update for the SUSE Linux Enterprise Kernel 6.4.0-38.1 fixes various security issues The following security issues were fixed: - CVE-2025-40258: mptcp: fix race condition in mptcpschedulework bsc1255053. - CVE-2025-40284: Bluetooth: MGMT: cancel mesh send timer when hdev removed bsc1257669. ...

SUSE-SU-2026:20866-1 Security update for the Linux Kernel (Live Patch 14 for SUSE Linux Enterprise Micro 6.0)

This update for the SUSE Linux Enterprise Kernel 6.4.0-38.1 fixes various security issues The following security issues were fixed: - CVE-2025-40258: mptcp: fix race condition in mptcpschedulework bsc1255053. - CVE-2025-40284: Bluetooth: MGMT: cancel mesh send timer when hdev removed bsc1257669. ...

SUSE-SU-2026:20854-1 Security update for the Linux Kernel RT (Live Patch 12 for SUSE Linux Enterprise Micro 6.0)

This update for the SUSE Linux Enterprise Kernel 6.4.0-36.1 fixes various security issues The following security issues were fixed: - CVE-2025-38488: smb: client: fix use-after-free in cryptmessage when using async crypto bsc1247240. - CVE-2025-40258: mptcp: fix race condition in mptcpschedulewor...

Linux Distros Unpatched Vulnerability : CVE-2026-23277

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - net/sched: teql: fix NULL pointer dereference in iptunnelxmit on TEQL slave xmit teqlmasterxmit calls netdevstartxmitskb, slave to transmit through slave device...

CVE-2026-3038

The rtsockmsgbuffer function serializes routing information into a buffer. As a part of this, it copies sockaddr structures into a sockaddrstorage structure on the stack. It assumes that the source sockaddr length field had already been validated, but this is not necessarily the case, and it's...

kernel: ipv6: BUG() in pskb_expand_head() as part of calipso_skbuff_setattr()

In the Linux kernel, the following vulnerability has been resolved: ipv6: BUG in pskbexpandhead as part of calipsoskbuffsetattr There exists a kernel oops caused by a BUGONnhead INTMAX i.e. intskbheadroomskb + lendelta skbheadroomskb is meant to ensure that delta = headroom - skbheadroomskb is...

kernel: ipv6: BUG() in pskb_expand_head() as part of calipso_skbuff_setattr()

In the Linux kernel, the following vulnerability has been resolved: ipv6: BUG in pskbexpandhead as part of calipsoskbuffsetattr There exists a kernel oops caused by a BUGONnhead INTMAX i.e. intskbheadroomskb + lendelta skbheadroomskb is meant to ensure that delta = headroom - skbheadroomskb is...

RockyLinux 9 : kernel (RLSA-2026:3488)

The remote RockyLinux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-2026:3488 advisory. kernel: smc: Use skdstget and dstdevrcu in smcclcprfxmatch CVE-2025-40168 kernel: ipv6: BUG in pskbexpandhead as part of calipsoskbuffsetattr...

Unity Linux 20.1070a Security Update: kernel (UTSA-2026-005651)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-005651 advisory. In the Linux kernel, the following vulnerability has been resolved: wifi: mwifiex: avoid possible NULL skb pointer dereference In 'mwifiexhandleuaprxforward', always...

Unity Linux 20.1070e Security Update: kernel (UTSA-2026-005554)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-005554 advisory. In the Linux kernel, the following vulnerability has been resolved: wifi: mwifiex: avoid possible NULL skb pointer dereference In 'mwifiexhandleuaprxforward', always...

Unity Linux 20.1070e Security Update: kernel (UTSA-2026-005556)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-005556 advisory. In the Linux kernel, the following vulnerability has been resolved: kcm: Serialise kcmsendmsg for the same socket. syzkaller reported UAF in kcmrelease. 0 The scenar...

kernel: ip6_vti: fix slab-use-after-free in decode_session6

A use-after-free vulnerability was found in the IPv6 VTI Virtual Tunnel Interface implementation in the Linux kernel. When an IPv6 VTI device uses the SFB Stochastic Fair Blue qdisc, the control block cb field of an skb can be modified during packet enqueuing. The decodesession6 function then rea...

kernel: ip6_vti: fix slab-use-after-free in decode_session6

A use-after-free vulnerability was found in the IPv6 VTI Virtual Tunnel Interface implementation in the Linux kernel. When an IPv6 VTI device uses the SFB Stochastic Fair Blue qdisc, the control block cb field of an skb can be modified during packet enqueuing. The decodesession6 function then rea...

SUSE CVE-2026-23119

In the Linux kernel, the following vulnerability has been resolved: bonding: provide a net pointer to skbflowdissect After 3cbf4ffba5ee "net: plumb network namespace into skbflowdissect" we have to provide a net pointer to skbflowdissect, either via skb-dev, skb-sk, or a user provided pointer. In...

Linux Distros Unpatched Vulnerability : CVE-2026-23150

"The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - nfc: llcp: Fix memleak in nfcllcpsenduiframe. syzbot reported various memory leaks related to NFC, struct nfcllcpsock, skbuff, nfcdev, etc. 0 The leading log...

SUSE CVE-2026-23172

In the Linux kernel, the following vulnerability has been resolved: net: wwan: t7xx: fix potential skb-frags overflow in RX path When receiving data in the DPMAIF RX path, the t7xxdpmaifsetfragtoskb function adds page fragments to an skb without checking if the number of fragments has exceeded...

CVE-2025-71222

In the Linux kernel, the following vulnerability has been resolved: wifi: wlcore: ensure skb headroom before skbpush This avoids occasional skbunderpanic Oops from wl1271txwork. In this case, headroom is less than needed typically 110 - 94 = 16 bytes...

CVE-2025-71222

CVE-2025-71222 (Linux kernel) : Affects the wifi wlcore path. The issue arises from an insufficient skb headroom check before skb_push, causing an skb_under_panic Oops in wl1271_tx_work when headroom is insufficient (typical 110 vs 94, leaving 16 bytes). The fix ensures proper headroom before skb...

CVE-2026-23172

In the Linux kernel, the following vulnerability has been resolved: net: wwan: t7xx: fix potential skb-frags overflow in RX path When receiving data in the DPMAIF RX path, the t7xxdpmaifsetfragtoskb function adds page fragments to an skb without checking if the number of fragments has exceeded...