CVE-2026-63924

In the Linux kernel, the following vulnerability has been resolved: ipv6: exthdrs: refresh nh pointer after ipv6hopjumbo ipv6hopjumbo calls pskbtrimrcsum, which can change skb pointers. Let's recompute nh pointer to make sure any change won't mess things up...

EUVD-2026-45801

In the Linux kernel, the following vulnerability has been resolved: ipv6: ioam: add NULL check for idev in ipv6hopioam Reported by Sashiko: The function ipv6hopioam accesses in6devgetskb-dev-cnf.ioam6enabled without validating the returned idev pointer. Because addrconfifdown can concurrently cle...

CVE-2026-64116

Summary: CVE-2026-64116 fixes a NULL pointer dereference in the Linux kernel IOAM path for IPv6 Hop-by-Hop processing. What was affected: The function ipv6_hop_ioam() could read __in6_dev_get(skb->dev)->cnf.ioam6_enabled without validating the returned idev pointer. During interface teardow...

EUVD-2026-45697

In the Linux kernel, the following vulnerability has been resolved: ipv6: exthdrs: refresh nh pointer after ipv6hopjumbo ipv6hopjumbo calls pskbtrimrcsum, which can change skb pointers. Let's recompute nh pointer to make sure any change won't mess things up...

CVE-2026-63924

CVE-2026-63924 is a Linux kernel issue where in ipv6_hop_jumbo(), calling pskb_trim_rcsum() can change skb pointers. The fix recomputes the neighbor header (nh) pointer to ensure it remains correct after potential skb pointer changes, mitigating pointer misalignment risks. The vulnerability is de...

CVE-2020-7462

In 11.4-PRERELEASE before r360733 and 11.3-RELEASE before p13, improper mbuf handling in the kernel causes a use-after-free bug by sending IPv6 Hop-by-Hop options over the loopback interface. The use-after-free situation may result in unintended kernel behaviour including a kernel panic...

FreeBSD-SA-20:24.ipv6

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA512 ============================================================================= FreeBSD-SA-20:24.ipv6 Security Advisory The FreeBSD Project Topic: IPv6 Hop-by-Hop options use-after-free bug Category: core Module: kernel Announced: 2020-09-02 Affects:...

USN-2589-1 linux-lts-utopic vulnerabilities

Jan Beulich discovered the Xen virtual machine subsystem of the Linux kernel did not properly restrict access to PCI command registers. A local guest user could exploit this flaw to cause a denial of service host crash. CVE-2015-2150 A stack overflow was discovered in the the microcode loader for...

Linux Kernel 2.6.22 IPv6 Hop-By-Hop Header Remote Denial of Service Vulnerability

No description provided by source. source: http://www.securityfocus.com/bid/26943/info The Linux kernel is prone to a remote denial-of-service vulnerability because it fails to adequately validate specially crafted IPv6 'Hop-By-Hop' headers. Attackers can exploit this issue to cause a kernel pani...