SUSE-SU-2026:4586-1 Security update for the Linux Kernel (Live Patch 85 for SUSE Linux Enterprise 12 SP5)

This update for the SUSE Linux Enterprise Kernel 4.12.14-122.320 fixes various security issues: The following security issues were fixed: - CVE-2026-63888: scsi: target: iscsi: Fix CRC overread and double-free in iscsithandletextcmd bsc1272391. - CVE-2026-63920: ipv6: validate extension header...

Astra Linux – Vulnerabilities in Linux, Linux-5.10, Linux-5.15, Linux-6.1

In the Linux kernel, the following vulnerabilities have been resolved: net: nfc: Fixed races in nfcllcpsockget and nfcllcpsockgetsn. Sili Luo reported a race condition in nfcllcpsockget, which led to a Use-After-Value exception. The process of acquiring a reference to the socket found during a...

SUSE CVE-2026-90223

In the Linux kernel, the following vulnerability has been resolved: nfc: llcp: bound SNL TLV parsing to the skb and add length checks nfcllcprecvsnl walked the SNL TLV list using a u16 offset/length pair derived from skb-len, without bounding reads to the actual skb data. Three problems followed:...

Linux Distros Unpatched Vulnerability : CVE-2026-90225

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - nfc: llcp: read llcpsock-local under the socket lock in getsockopt nfcllcpgetsockopt read llcpsock-local before locksocksk and then dereferenced the cached...

Linux Distros Unpatched Vulnerability : CVE-2026-90226

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - nfc: llcp: avoid userspace overflow on invalid optlen nfcllcpgetsockopt casts optval to u32 user for putuser, so the kernel always stores 4 bytes regardless of...

DEBIAN-CVE-2026-90225

In the Linux kernel, the following vulnerability has been resolved: nfc: llcp: read llcpsock-local under the socket lock in getsockopt nfcllcpgetsockopt read llcpsock-local before locksocksk and then dereferenced the cached pointer inside the locked region. llcpsockbind assigns and clears...

DEBIAN-CVE-2026-90226

In the Linux kernel, the following vulnerability has been resolved: nfc: llcp: avoid userspace overflow on invalid optlen nfcllcpgetsockopt casts optval to u32 user for putuser, so the kernel always stores 4 bytes regardless of the caller-supplied optlen. The existing mintu32, len, sizeofu32 only...

DEBIAN-CVE-2026-90223

In the Linux kernel, the following vulnerability has been resolved: nfc: llcp: bound SNL TLV parsing to the skb and add length checks nfcllcprecvsnl walked the SNL TLV list using a u16 offset/length pair derived from skb-len, without bounding reads to the actual skb data. Three problems followed:...

CVE-2026-90225 nfc: llcp: read llcp_sock->local under the socket lock in getsockopt

In the Linux kernel, the following vulnerability has been resolved: nfc: llcp: read llcpsock-local under the socket lock in getsockopt nfcllcpgetsockopt read llcpsock-local before locksocksk and then dereferenced the cached pointer inside the locked region. llcpsockbind assigns and clears...

CVE-2026-90223 nfc: llcp: bound SNL TLV parsing to the skb and add length checks

In the Linux kernel, the following vulnerability has been resolved: nfc: llcp: bound SNL TLV parsing to the skb and add length checks nfcllcprecvsnl walked the SNL TLV list using a u16 offset/length pair derived from skb-len, without bounding reads to the actual skb data. Three problems followed:...

EUVD-2026-81816

In the Linux kernel, the following vulnerability has been resolved: nfc: llcp: bound SNL TLV parsing to the skb and add length checks nfcllcprecvsnl walked the SNL TLV list using a u16 offset/length pair derived from skb-len, without bounding reads to the actual skb data. Three problems followed:...

PT-2026-94574

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the nfc llcp getsockopt function where the kernel always stores 4 bytes when using put user, regardless of the optlen provided by the caller. Because the existing leng...

PT-2026-94573

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A race condition exists in the NFC LLCP module. The function nfc llcp getsockopt reads the llcp sock-local pointer before acquiring the socket lock via lock socksk. Simultaneously, llcp...

PT-2026-94571

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the nfc llcp recv snl function where the SNL TLV list is processed using an offset and length pair derived from skb-len without bounding reads to the actual socket...

CVE-2026-90223: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: nfc: llcp: bound SNL TLV parsing to the skb and add length checks nfcllcprecvsnl walked the SNL TLV list using a u16 offset/length pair derived from skb-len, without bounding reads to the actual skb data. Three problems followed:...

CVE-2026-90225: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: nfc: llcp: read llcpsock-local under the socket lock in getsockopt nfcllcpgetsockopt read llcpsock-local before locksocksk and then dereferenced the cached pointer inside the locked region. llcpsockbind assigns and clears...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: nfc: llcp: fixed unsafe copies in nfcllcpsetsockopt syzbot reported unsafe calls to copyfromsockptr 1 Use copysafefromsockptr instead. 1 BUG: KASAN: out-of-bounds access in copyfromsockptroffset include/linux/sockptr.h:49 inli...

Astra Linux – Vulnerability in Linux

The net/nfc/llcpsock.c file in the Linux kernel before version 5.12.10 allowed local unprivileged users to cause a denial of service by making a getsockname call after a certain type of failure in a bind call. This vulnerability results in NULL pointer dereferencing and other bugs...

Astra Linux – Vulnerability in Linux

A vulnerability was discovered in the Linux kernel, where a reference count leak in the llcpsockconnect function causes a use-after-free condition, which may lead to privilege escalation...

SUSE CVE-2026-80798

In the Linux kernel, the following vulnerability has been resolved: nfc: llcp: reject PDUs shorter than the LLCP header Every LLCP PDU begins with a two-byte header DSAP/SSAP + PTYPE, but the receive path never checked that a frame is at least LLCPHEADERSIZE bytes before parsing it. nfcllcprxskb...