kernel: ipv6: exthdrs: refresh nh after handling HAO option

A flaw was found in the Linux kernel's IPv6 extension header processing. When processing the Home Address Option HAO, the cached network header pointer may become invalid if the packet's memory is reallocated. This can lead to incorrect parsing of subsequent IPv6 Type-Length-Value TLV options,...

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...

kernel: ipv6: exthdrs: refresh nh after handling HAO option

A flaw was found in the Linux kernel's IPv6 extension header processing. When processing the Home Address Option HAO, the cached network header pointer may become invalid if the packet's memory is reallocated. This can lead to incorrect parsing of subsequent IPv6 Type-Length-Value TLV options,...

SUSE-SU-2026:4570-1 Security update for the Linux Kernel (Live Patch 84 for SUSE Linux Enterprise 12 SP5)

This update for the SUSE Linux Enterprise Kernel 4.12.14-122.317 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...

kernel: ipv6: exthdrs: refresh nh after handling HAO option

A flaw was found in the Linux kernel's IPv6 extension header processing. When processing the Home Address Option HAO, the cached network header pointer may become invalid if the packet's memory is reallocated. This can lead to incorrect parsing of subsequent IPv6 Type-Length-Value TLV options,...

SUSE SLES15 Security Update : kernel (Live Patch 58 for SUSE Linux Enterprise 15 SP4) (SUSE-SU-2026:4531-1)

The remote SUSE Linux SLES15 host has a package installed that is affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:4531-1 advisory. This update for the SUSE Linux Enterprise Kernel 5.14.21-150400.24.235 fixes various security issues: The following security issues were fixed:...

Security update for the Linux Kernel RT (Live Patch 19 for SUSE Linux Enterprise 15 SP7)

This update for the SUSE Linux Enterprise Kernel 6.4.0-150700.7.72 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 leng...

Exploit for Integer Underflow (Wrap or Wraparound) in Microsoft

CVE-2024-38063: Exploitation, Detection & Mitigation Lab O...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: Media: dvb-net: fixed OOB access in ULE extension header tables The ulemandatoryexthandlers and uleoptionalexthandlers tables in handleoneuleextension are declared with 255 elements valid indices 0-254. However, the htype index i...

EulerOS 2.0 SP12 : nmap (EulerOS-SA-2026-3287)

According to the versions of the nmap packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : Nmap through 7.99 does not keep the IPv6 extension-header walk within the captured packet in ipv6getdataprimitive libnetutil/netutil.cc, so the...

EulerOS 2.0 SP12 : nmap (EulerOS-SA-2026-3362)

According to the versions of the nmap packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : Nmap through 7.99 does not keep the IPv6 extension-header walk within the captured packet in ipv6getdataprimitive libnetutil/netutil.cc, so the...

DEBIAN-CVE-2026-53600

async-tar is a tar archive reading/writing library for async Rust. Prior to version 0.6.1, async-tar mis-applies a buffered PAX size extension to an intermediary extension header a GNU longname L, a GNU longlink K, or a PAX x/g header instead of to the next file entry. POSIX requires a PAX...

CVE-2026-53600 async-tar PAX extension-header desync enables tar entry/content smuggling

async-tar is a tar archive reading/writing library for async Rust. Prior to version 0.6.1, async-tar mis-applies a buffered PAX size extension to an intermediary extension header a GNU longname L, a GNU longlink K, or a PAX x/g header instead of to the next file entry. POSIX requires a PAX...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: Net: Reenabling NETIFFIPV6CSUM offloading for BIG TCP packets The problematic commit disabled the hardware offloading of IPv6 packets with extension headers on devices that advertise NETIFFIPV6CSUM. This was based on the definiti...

Nmap 7.9.9 Extension Header Integer Underflow

Proof of concept for the IPv6 extension header integer underflow discovered in Nmap version 7.9.9. Exploit Title: Nmap 7.99 - Extension Header Integer Underflow CVE: CVE-2026-58058 Date: 2026-06-29 Exploit Author: Mohammed Idrees Banyamer Author Country: Jordan Instagram: @banyamersecurity Author...

Linux Distros Unpatched Vulnerability : CVE-2026-72021

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - ipvs: use parsed transport offset in SCTP state lookup setsctpstate reads the SCTP chunk header again in order to drive the IPVS SCTP state table. For IPv6 it...

Unity Linux 20.1050a Security Update: kernel (UTSA-2026-100587)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-100587 advisory. In the Linux kernel, the following vulnerability has been resolved: ipv6: validate extension header length before copying to cmsg ip6datagramrecvspecificctl builds...

Nmap 7.99 - Extension Header Integer Underflow

Exploit Title: Nmap 7.99 - Extension Header Integer Underflow CVE: CVE-2026-58058 Date: 2026-06-29 Exploit Author: Mohammed Idrees Banyamer Author Country: Jordan Instagram: @banyamersecurity Author GitHub: https://github.com/mbanyamer Author Blog : https://banyamersecurity.com/blog/ Vendor...

CVE-2026-72348

In the Linux kernel, the following vulnerability has been resolved: netfilter: ip6tables: mark malformed IPv6 extension headers for hotdrop The ah, hbh and rt matches check that the fixed extension header is present, then use the header length field to derive the advertised extension header lengt...

UBUNTU-CVE-2026-72348

In the Linux kernel, the following vulnerability has been resolved: netfilter: ip6tables: mark malformed IPv6 extension headers for hotdrop The ah, hbh and rt matches check that the fixed extension header is present, then use the header length field to derive the advertised extension header lengt...