RLSA-2026:86033 Important: kernel security, bug fix, and enhancement update

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: openvswitch: defer tunnel netdevput to RCU release CVE-2026-31678 kernel: xfrm: espintcp: do not reuse an in-progress partial send CVE-2026-52935 kernel: USB: serial: mxuport: fix memory...

kernel security, bug fix, and enhancement update

An update is available for kernel. This update affects Rocky Linux 9. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list The kernel packages contain the Linux kernel, the core of any Linux operating...

Linux Kernel Net I/O Data Compromise

The vulnerability in the net/ipv6/mcast.c and include/net/addrconf.h components of the Linux kernel is related to the implementation of an incorrect control flow. Exploiting this vulnerability could allow a remote attacker to compromise the confidentiality, integrity, and accessibility of the...

Unity Linux 20.1070a Security Update: kernel (UTSA-2026-143065)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-143065 advisory. In the Linux kernel, the following vulnerability has been resolved: sctp: auth: verify auth requirement when authchunk is NULL sctpauthchunkverify returns true...

Unity Linux 20.1020e / 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-142748)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-142748 advisory. In the Linux kernel, the following vulnerability has been resolved: bpf: Preserve pointer state for commuted arithmetic When scalar += pointer is handled in...

Unity Linux 20.1070a Security Update: kernel (UTSA-2026-143048)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-143048 advisory. In the Linux kernel, the following vulnerability has been resolved: module: fix eshstrndx.shsize=0 OOB access It is trivial to craft a module to trigger OOB access i...

Unity Linux 20.1070e Security Update: kernel (UTSA-2026-142739)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-142739 advisory. In the Linux kernel, the following vulnerability has been resolved: xfrm: ah6: validate routing header segmentsleft AH6 rearranges routing-header addresses before...

Unity Linux 20.1070a Security Update: kernel (UTSA-2026-143028)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-143028 advisory. In the Linux kernel, the following vulnerability has been resolved: Input: focaltech - fix array out-of-bounds in focaltechprocessrelpacket Make finger2 and also...

Unity Linux 20.1070a Security Update: kernel (UTSA-2026-143050)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-143050 advisory. In the Linux kernel, the following vulnerability has been resolved: mptcp: use OPTIONMPTCPMPJSYNACK in subflowfinishconnect subflowfinishconnect uses four fields...

Unity Linux 20.1070a Security Update: kernel (UTSA-2026-143059)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-143059 advisory. In the Linux kernel, the following vulnerability has been resolved: bpf, sockmap: Fix skredir use-after-free in send verdict skpsockmsgverdict takes a socket referen...

Unity Linux 20.1070a Security Update: kernel (UTSA-2026-143039)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-143039 advisory. In the Linux kernel, the following vulnerability has been resolved: nvdimm/btt: reject an arena whose nfree is below the lane count The BTT info block's nfree field,...

RHEL 8 : kernel-rt (RHSA-2026:87374)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:87374 advisory. The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism...

Unity Linux 20.1070e Security Update: kernel (UTSA-2026-142743)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-142743 advisory. In the Linux kernel, the following vulnerability has been resolved: pppoe: reload header pointer after devhardheader pppoesendmsg saves a pointer to the PPPoE header...

AlmaLinux 8 : kernel-rt (ALSA-2026:87374)

The remote AlmaLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALSA-2026:87374 advisory. kernel: ipv4: raw: reject IPHDRINCL packets with ihl msiperm after freeing it on init failure CVE-2026-89777 Tenable has extracted the preceding...

Unity Linux 20.1070a Security Update: kernel (UTSA-2026-143099)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-143099 advisory. In the Linux kernel, the following vulnerability has been resolved: tipc: restrict socket queue dumps in enqueue tracepoints tipcskenqueue runs with sk-sklock.slock...

RHEL 9 : kernel (RHSA-2026:87805)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:87805 advisory. The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: netlabel: Fix NULL pointer...

Unity Linux 20.1070e Security Update: kernel (UTSA-2026-142471)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-142471 advisory. In the Linux kernel, the following vulnerability has been resolved: libceph: fix OOB read in decodewatchers via missing bounds check cephstartdecoding validates that...

Unity Linux 20.1070a Security Update: kernel (UTSA-2026-143108)

"The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-143108 advisory. In the Linux kernel, the following vulnerability has been resolved: sctp: keep chunk-transport in step with the list it is queued on sctpoutqflushrtx moves a...

Unity Linux 20.1020e / 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-142529)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-142529 advisory. In the Linux kernel, the following vulnerability has been resolved: pppoe: reload header pointer after devhardheader pppoesendmsg saves a pointer to the PPPoE header...

Unity Linux 20.1070a Security Update: kernel (UTSA-2026-143109)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-143109 advisory. In the Linux kernel, the following vulnerability has been resolved: netfilter: ebtnflog: pin the NFLOG backend nflogunregister runs after the per-net teardown so its...