K000160908: Linux kernel vulnerability CVE-2019-15902

Security Advisory Description A backporting error was discovered in the Linux stable/longterm kernel 4.4.x through 4.4.190, 4.9.x through 4.9.190, 4.14.x through 4.14.141, 4.19.x through 4.19.69, and 5.2.x through 5.2.11. Misuse of the upstream "x86/ptrace: Fix possible spectre-v1 in...

CVE-2026-25702

CVE-2026-25702 describes an ImRo pper Access Control issue in the kernel of SUSE Linux Enterprise Server 12 SP5 that breaks nftables, rendering firewall rules applied via nftables ineffective. Affected range: SLES 12 SP5 builds before 9c294edb7085fb91650bc12233495a8974c5ff2d, starting from commit...

Unity Linux 20.1070e Security Update: kernel (UTSA-2026-000256)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-000256 advisory. A backporting error was discovered in the Linux stable/longterm kernel 4.4.x through 4.4.190, 4.9.x through 4.9.190, 4.14.x through 4.14.141, 4.19.x through 4.19.69,...

CVE-2021-27379

A flaw was found in xen. An oversight was made when backporting XSA-320, leading to entries in the IOMMU not being properly updated under certain circumstances...

UBUNTU-CVE-2019-15902

A backporting error was discovered in the Linux stable/longterm kernel 4.4.x through 4.4.190, 4.9.x through 4.9.190, 4.14.x through 4.14.141, 4.19.x through 4.19.69, and 5.2.x through 5.2.11. Misuse of the upstream "x86/ptrace: Fix possible spectre-v1 in ptracegetdebugreg" commit reintroduced the...

UBUNTU-CVE-2019-15239

In the Linux kernel, a certain net/ipv4/tcpoutput.c change, which was properly incorporated into 4.16.12, was incorrectly backported to the earlier longterm kernels, introducing a new vulnerability that was potentially more severe than the issue that was intended to be fixed by backporting...