CVE-2026-74550

In the Linux kernel, the following vulnerability has been resolved: net: do not send ICMP/NDISC Redirects when peer allocation fails When inetgetpeerv4 or inetgetpeerv6 fails to allocate a peer entry under memory pressure or tree size caps, redirect handlers previously fell back to sending...

CVE-2026-74550

In the Linux kernel, the following vulnerability has been resolved: net: do not send ICMP/NDISC Redirects when peer allocation fails When inetgetpeerv4 or inetgetpeerv6 fails to allocate a peer entry under memory pressure or tree size caps, redirect handlers previously fell back to sending...

CVE-2026-74550 net: do not send ICMP/NDISC Redirects when peer allocation fails

In the Linux kernel, the following vulnerability has been resolved: net: do not send ICMP/NDISC Redirects when peer allocation fails When inetgetpeerv4 or inetgetpeerv6 fails to allocate a peer entry under memory pressure or tree size caps, redirect handlers previously fell back to sending...

EUVD-2026-59615

In the Linux kernel, the following vulnerability has been resolved: net: do not send ICMP/NDISC Redirects when peer allocation fails When inetgetpeerv4 or inetgetpeerv6 fails to allocate a peer entry under memory pressure or tree size caps, redirect handlers previously fell back to sending...

PT-2026-73002

In the Linux kernel, the following vulnerability has been resolved: net: do not send ICMP/NDISC Redirects when peer allocation fails When inet getpeer v4 or inet getpeer v6 fails to allocate a peer entry under memory pressure or tree size caps, redirect handlers previously fell back to sending...

Linux Distros Unpatched Vulnerability : CVE-2026-64542

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - ipv6: ndisc: fix NULL deref in acceptuntrackedna acceptuntrackedna re-fetches the inet6dev with in6devgetdev and dereferences idev-cnf.acceptuntrackedna without...

CVE-2026-64542

In the Linux kernel, the following vulnerability has been resolved: ipv6: ndisc: fix NULL deref in acceptuntrackedna acceptuntrackedna re-fetches the inet6dev with in6devgetdev and dereferences idev-cnf.acceptuntrackedna without a NULL check, even though its only caller ndiscrecvna already fetche...

CVE-2026-64542

Summary: CVE-2026-64542 in the Linux kernel fixes a NULL dereference in IPv6 neighbor discovery. The vulnerable path occurs in accept_untracked_na(), which re-fetches inet6_dev via __in6_dev_get(dev) and accesses idev->cnf.accept_untracked_na without a NULL check, despite ndisc_recv_na() havin...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: net: A potential reference count leak has been fixed in ndiscrouterdiscovery. This issue occurs on specific paths within the function. After the object rt and neigh are successfully acquired, when lifetime is non-zero but the...

EUVD-2026-26639

In the Linux kernel, the following vulnerability has been resolved: net: ipv6: ndisc: fix ndiscrauseropt to initialize nduseroptpadX fields to zero to prevent an info-leak When processing Router Advertisements with user options the kernel builds an RTMNEWNDUSEROPT netlink message. The nduseroptms...

CVE-2026-43040 net: ipv6: ndisc: fix ndisc_ra_useropt to initialize nduseropt_padX fields to zero to prevent an info-leak

In the Linux kernel, the following vulnerability has been resolved: net: ipv6: ndisc: fix ndiscrauseropt to initialize nduseroptpadX fields to zero to prevent an info-leak When processing Router Advertisements with user options the kernel builds an RTMNEWNDUSEROPT netlink message. The nduseroptms...

SUSE CVE-2026-23124

In the Linux kernel, the following vulnerability has been resolved: ipv6: annotate data-race in ndiscrouterdiscovery syzbot found that ndiscrouterdiscovery could read and write in6dev-ramtu without holding a lock 1 This looks fine, IFLAINET6RAMTU is best effort. Add READONCE/WRITEONCE to document...

Linux Distros Unpatched Vulnerability : CVE-2026-23124

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - ipv6: annotate data-race in ndiscrouterdiscovery syzbot found that ndiscrouterdiscovery could read and write in6dev-ramtu without holding a lock 1 This looks...

CVE-2026-23124

In the Linux kernel, the following vulnerability has been resolved: ipv6: annotate data-race in ndiscrouterdiscovery syzbot found that ndiscrouterdiscovery could read and write in6dev-ramtu without holding a lock 1 This looks fine, IFLAINET6RAMTU is best effort. Add READONCE/WRITEONCE to document...

UBUNTU-CVE-2026-23124

In the Linux kernel, the following vulnerability has been resolved: ipv6: annotate data-race in ndiscrouterdiscovery syzbot found that ndiscrouterdiscovery could read and write in6dev-ramtu without holding a lock 1 This looks fine, IFLAINET6RAMTU is best effort. Add READONCE/WRITEONCE to document...

CVE-2026-23124

In the Linux kernel, the following vulnerability has been resolved: ipv6: annotate data-race in ndiscrouterdiscovery syzbot found that ndiscrouterdiscovery could read and write in6dev-ramtu without holding a lock 1 This looks fine, IFLAINET6RAMTU is best effort. Add READONCE/WRITEONCE to document...

CVE-2026-23124 ipv6: annotate data-race in ndisc_router_discovery()

In the Linux kernel, the following vulnerability has been resolved: ipv6: annotate data-race in ndiscrouterdiscovery syzbot found that ndiscrouterdiscovery could read and write in6dev-ramtu without holding a lock 1 This looks fine, IFLAINET6RAMTU is best effort. Add READONCE/WRITEONCE to document...

CVE-2026-23124 ipv6: annotate data-race in ndisc_router_discovery()

In the Linux kernel, the following vulnerability has been resolved: ipv6: annotate data-race in ndiscrouterdiscovery syzbot found that ndiscrouterdiscovery could read and write in6dev-ramtu without holding a lock 1 This looks fine, IFLAINET6RAMTU is best effort. Add READONCE/WRITEONCE to document...

CVE-2026-23124

In the Linux kernel, the following vulnerability has been resolved: ipv6: annotate data-race in ndiscrouterdiscovery syzbot found that ndiscrouterdiscovery could read and write in6dev-ramtu without holding a lock 1 This looks fine, IFLAINET6RAMTU is best effort. Add READONCE/WRITEONCE to document...

CVE-2026-23124 ipv6: annotate data-race in ndisc_router_discovery()

In the Linux kernel, the following vulnerability has been resolved: ipv6: annotate data-race in ndiscrouterdiscovery syzbot found that ndiscrouterdiscovery could read and write in6dev-ramtu without holding a lock 1 This looks fine, IFLAINET6RAMTU is best effort. Add READONCE/WRITEONCE to document...