Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, Linux, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: - ndisc: RCU protection was added to ndiscallocskb. - ndiscallocskb can be called without holding RTNL or RCU. RCU protection was added to avoid potential Use-after-Free UAF vulnerabilities...

Astra Linux – Vulnerability in Linux 5.15

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...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, Linux, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: ndisc: Extended RCU protection has been added to ndiscsendskb. The ndiscsendskb function can be called without holding RTNL or RCU. The rcureadlock function must be acquired earlier, so that we can use devnetrcu, and potential...

CVE-2026-74550

A flaw was found in the kernel. When the network stack fails to allocate a peer entry, it can send un-rate-limited Internet Control Message Protocol ICMP or Neighbor Discovery NDISC Redirect messages. This can be exploited by a remote attacker to cause an uncontrolled flood of network traffic,...

SUSE 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...

AZL-96495 CVE-2026-74550 affecting package kernel 6.6.150.1-1

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...

UBUNTU-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

Summary: CVE-2026-74550 affects the Linux kernel’s redirect handling for ICMP/NDISC redirects when peer allocation fails. When inet_getpeer_v4() or inet_getpeer_v6() cannot allocate a peer entry under memory pressure or tree size caps, redirect handlers previously could emit un-rate-limited ICMP/...

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...

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

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists where the system may send un-rate-limited ICMP/NDISC Redirect messages when peer allocation fails due to memory pressure or tree size caps. This occurs because the...

CVE-2026-74550: Undefined Security Weakness

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...

Linux Distros Unpatched Vulnerability : CVE-2026-74550

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - 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 tre...

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-2026-64538

In the Linux kernel, the following vulnerability has been resolved: ipv6: Fix null-ptr-deref in fib6nhmtuchange. fib6nhmtuchange re-fetches idev via in6devgetarg-dev and dereferences idev-cnf.mtu6 without a NULL check. addrconfifdown clears dev-ip6ptr with RCUINITPOINTER after rt6disableip has...