CVE-2025-68813 ipvs: fix ipv4 null-ptr-deref in route error path

In the Linux kernel, the following vulnerability has been resolved: ipvs: fix ipv4 null-ptr-deref in route error path The IPv4 code path in ipvsgetoutrt calls dstlinkfailure without ensuring skb-dev is set, leading to a NULL pointer dereference in fibcomputespecdst when ipv4linkfailure attempts t...

CVE-2025-68776 net/hsr: fix NULL pointer dereference in prp_get_untagged_frame()

In the Linux kernel, the following vulnerability has been resolved: net/hsr: fix NULL pointer dereference in prpgetuntaggedframe prpgetuntaggedframe calls pskbcopy to create frame-skbstd but doesn't check if the allocation failed. If pskbcopy returns NULL, skbclone is called with a NULL pointer,...

CVE-2025-68776

CVE-2025-68776 affects the Linux kernel path in net/hsr where prp_get_untagged_frame() uses __pskb_copy() to build frame->skb_std. If __pskb_copy() returns NULL (allocation failure), skb_clone() is called on NULL, causing a crash (general protection fault) as described in the CVE description. ...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: net: dlink: handle copythresh allocation failure The driver did not handle the failure of netdevallocskbip-align. If the allocation fails, dereferencing skb-protocol could lead to a NULL pointer dereference. This patch attempts t...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerabilities have been resolved: can: xilinxcan: xcanwriteframe – Fixed the issue of a use-after-free of the transmitted SKB. canputechoskb takes ownership of the SKB, and it may be freed during or after the call. However, xilinxcan xcanwriteframe continues t...

PT-2026-2545

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 6.6.114 Description The Linux kernel contains a flaw within the IPv4 code path in the ip vs get out rt function. This function can call dst link failure without verifying that skb-dev is set, leading to a NULL...

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 the failure to free the original skb when nroutput returns NULL in the nrsendmsg function, which could lead ...

SUSE-SU-2026:0090-1 Security update for the Linux Kernel (Live Patch 24 for SUSE Linux Enterprise 15 SP5)

This update for the SUSE Linux Enterprise kernel 5.14.21-150500.55.97 fixes various security issues The following security issues were fixed: - CVE-2023-53574: wifi: rtw88: delete timer and free skb queue when unloading bsc1251984. - CVE-2025-38257: s390/pkey: prevent overflow in size calculation...

kernel: tls: wait for pending async decryptions if tls_strp_msg_hold fails

A vulnerability was found in tlsdecryptsg in net/tls/tlssw.c in networking subsystem in the Linux Kernel.In this flaw, If it fails to clone of the input skb to hold the reference to the memory it uses may lead a use-after-free...

CVE-2025-68765

In the Linux kernel, the following vulnerability has been resolved: mt76: mt7615: Fix memory leak in mt7615mcuwtblstaadd In mt7615mcuwtblstaadd, an skb sskb is allocated. If the subsequent call to mt76connacmcuallocwtblreq fails, the function returns an error without freeing sskb, leading to a...

CVE-2025-68765

In the Linux kernel, the following vulnerability has been resolved: mt76: mt7615: Fix memory leak in mt7615mcuwtblstaadd In mt7615mcuwtblstaadd, an skb sskb is allocated. If the subsequent call to mt76connacmcuallocwtblreq fails, the function returns an error without freeing sskb, leading to a...

CVE-2025-68765

The CVE-2025-68765 issue is in the Linux kernel’s mt7615 driver: in mt7615_mcu_wtbl_sta_add(), an skb sskb is allocated and, if mt76_connac_mcu_alloc_wtbl_req() fails, it is not freed, causing a memory leak. The published fix ensures sskb is freed via dev_kfree_skb() in the error path. Affected c...

CVE-2025-68765 mt76: mt7615: Fix memory leak in mt7615_mcu_wtbl_sta_add()

In the Linux kernel, the following vulnerability has been resolved: mt76: mt7615: Fix memory leak in mt7615mcuwtblstaadd In mt7615mcuwtblstaadd, an skb sskb is allocated. If the subsequent call to mt76connacmcuallocwtblreq fails, the function returns an error without freeing sskb, leading to a...

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 the mt7615 driver's mt7615mcuwtblstaadd function failing to free the skb when allocation fails, which could...

PT-2026-3763

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 6.12.62 Description The Linux kernel contained a flaw within the networking subsystem related to usercopy handling. Specifically, the skbuff fclone cache was initialized without defining a usercopy region, unlike...

PT-2026-4488

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A flaw exists in the Linux kernel related to Address Resolution Protocol ARP. The issue stems from an incorrect assumption within the arp create function regarding the skb-head pointer...

PT-2026-6153

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The Linux kernel contains a flaw within the fou module. Specifically, the FOU ATTR IPPROTO attribute should not be set to 0. When FOU ATTR IPPROTO is 0, the skb socket buffer is not...

PT-2026-27704

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The nci transceive function in the Linux kernel does not free memory allocated to skb socket buffer in certain error scenarios, specifically when encountering -EPROTO, -EINVAL, or -EBUSY...

PT-2026-8145

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The Linux kernel contained a memory leak in the NFC LLCP Logical Link Control Protocol implementation, specifically within the nfc llcp send ui frame function. The issue stemmed from a...

SUSE CVE-2022-50829

In the Linux kernel, the following vulnerability has been resolved: wifi: ath9k: hifusb: Fix use-after-free in ath9khifusbregincb It is possible that skb is freed in ath9khtcrxmsg, then usbsubmiturb fails and we try to free skb again. It causes use-after-free bug. Moreover, if allocskb fails,...