Astra Linux – vulnerability in linux-6.12, linux-6.1

In the Linux kernel, the following vulnerability has been resolved: net: clear the dst when changing skb protocol A not-so-careful NAT46 BPF program can crash the kernel if it indiscriminately flips ingress packets from v4 to v6: BUG: kernel NULL pointer dereference, address: 0000000000000000...

Astra Linux – vulnerability in linux, linux-5.10, linux-5.15, linux-6.1

In the Linux kernel, the following vulnerability has been resolved: ipv4, ipv6: Fix handling of transhdrlen in ip,6appenddata Including the transhdrlen in the length is problematic when the packet is partially filled for example, if something like sendMSGMORE occurred earlier when appending to an...

EUVD-2026-55501

In the Linux kernel, the following vulnerability has been resolved: rtase: Workaround for TX hang caused by hardware packet parsing The hardware performs packet parsing before packet transmission. Parsing incomplete IPv4, IPv6, TCP, or UDP headers may trigger a TX hang because the hardware parser...

Astra Linux – vulnerability in linux-6.1, linux-6.12

In the Linux kernel, the following vulnerability has been resolved: ipv4: account for fraggap on the paged allocation path In ipappenddata, when the paged-allocation branch is taken, alloclen and pagedlen are computed as alloclen = fragheaderlen + transhdrlen; pagedlen = datalen - transhdrlen;...

CVE-2026-64572

In the Linux kernel, the following vulnerability has been resolved: ipv4: fib: free fibalias with kfreercu on insert error path fibtableinsert publishes newfa into the leaf's falist with fibinsertalias before calling the fib entry notifiers. When a notifier fails, the error path removes newfa wit...

UBUNTU-CVE-2026-64572

In the Linux kernel, the following vulnerability has been resolved: ipv4: fib: free fibalias with kfreercu on insert error path fibtableinsert publishes newfa into the leaf's falist with fibinsertalias before calling the fib entry notifiers. When a notifier fails, the error path removes newfa wit...

CVE-2026-64572

In the Linux kernel, the following vulnerability has been resolved: ipv4: fib: free fibalias with kfreercu on insert error path fibtableinsert publishes newfa into the leaf's falist with fibinsertalias before calling the fib entry notifiers. When a notifier fails, the error path removes newfa wit...

SUSE-SU-2026:22995-1 Security update for the Linux Kernel (Live Patch 0 for SUSE Linux Enterprise 16)

This update for the SUSE Linux Enterprise Kernel 6.12.0-160000.5.1 fixes various security issues: The following security issues were fixed: - CVE-2026-23240: tls: Fix race condition in tlsswcancelworktx bsc1262404. - CVE-2026-31738: vxlan: validate ND option lengths in vxlannacreate bsc1264060. -...

Security update for the Linux Kernel (Live Patch 16 for SUSE Linux Enterprise 15 SP7)

This update for the SUSE Linux Enterprise Kernel 6.4.0-150700.53.60 fixes various security issues: The following security issues were fixed: CVE-2026-53359: KVM: x86: Fix shadow paging use-after-free due to unexpected role bsc1270060. CVE-2026-53366: ipv4: account for fraggap on the paged...

CVE-2026-63912

A flaw was found in the Linux kernel's Encapsulating Security Payload ESP component. This vulnerability occurs in the ESP out-of-place fast path when handling combined single-fragment lengths. An attacker could potentially trigger a scenario where the system rejects the page-fragment fast path,...

SUSE CVE-2026-53366

In the Linux kernel, the following vulnerability has been resolved: ipv4: account for fraggap on the paged allocation path In ipappenddata, when the paged-allocation branch is taken, alloclen and pagedlen are computed as alloclen = fragheaderlen + transhdrlen; pagedlen = datalen - transhdrlen;...

CVE-2026-63912 xfrm: esp: restore combined single-frag length gate

In the Linux kernel, the following vulnerability has been resolved: xfrm: esp: restore combined single-frag length gate The ESP out-of-place fast path appends the trailer in espoutputhead before espoutputtail allocates the destination page frag. The head-side gate currently checks skb-datalen and...

CVE-2026-63912

In the Linux kernel, the following vulnerability has been resolved: xfrm: esp: restore combined single-frag length gate The ESP out-of-place fast path appends the trailer in espoutputhead before espoutputtail allocates the destination page frag. The head-side gate currently checks skb-datalen and...

CVE-2026-53366

In the Linux kernel, the following vulnerability has been resolved: ipv4: account for fraggap on the paged allocation path In ipappenddata, when the paged-allocation branch is taken, alloclen and pagedlen are computed as alloclen = fragheaderlen + transhdrlen; pagedlen = datalen - transhdrlen;...

CVE-2026-53366

In the Linux kernel, the following vulnerability has been resolved: ipv4: account for fraggap on the paged allocation path In ipappenddata, when the paged-allocation branch is taken, alloclen and pagedlen are computed as alloclen = fragheaderlen + transhdrlen; pagedlen = datalen - transhdrlen;...

EUVD-2026-43243

parseipv4 in subsys/net/ip/utils.c reached via netipaddrparse for strings of the form "a.b.c.d:port" copies the port substring into a fixed 17-byte stack buffer char ipaddrNETIPV4ADDRLEN + 1 using a length of strlen - end - 1, where strlen is the full, unbounded input length and end is only the...

CVE-2026-53450 Coturn: IPv4-mapped 127.0.0.1 bypasses default loopback peer protection

Coturn is a free open source implementation of TURN and STUN Server. Prior to 4.13.0, coturn rejects loopback peers by default unless allow-loopback-peers is enabled, but the default loopback guard can be bypassed by using the IPv4-mapped IPv6 peer address ::ffff:127.0.0.1 in a TURN...

flyto-core has SSRF guard bypass via IPv6 transition addresses (IPv4-mapped / 6to4 / NAT64) in validate_url_ssrf

Summary flyto-core's SSRF protection validateurlssrf / isprivateip in src/core/utils.py blocks private and metadata destinations by resolving the host and testing the resulting IP for membership in a hardcoded PRIVATEIPRANGES list. That list contains only the native RFC 1918 / loopback / link-loc...

PT-2026-55367

Am I affected You are affected if: 1. You run zebrad up to and including v4.4.1. 2. Your node listens on the default :: address on a Linux host the standard deployment configuration — net.ipv6.bindv6only=0 is the default on all common Linux distributions. 3. Your node is synced near the chain tip...

USN-8491-1: Linux kernel (OEM) vulnerabilities

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - ARM64 architecture; - x86 architecture; - Block layer subsystem; - Cryptographic API; - DMA engine subsystem; -...