CVE-2026-89511: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: qede: Fix NULL pointer dereference in TPA fragment processing Under memory pressure, the qede driver encounters NULL pointer dereferences when processing TPA continuation fragments. Commit 8a8633978b84 "qede: Add buildskb support...

PT-2026-96339

In the Linux kernel, the following vulnerability has been resolved: qede: Fix NULL pointer dereference in TPA fragment processing Under memory pressure, the qede driver encounters NULL pointer dereferences when processing TPA continuation fragments. Commit 8a8633978b84 "qede: Add build skb...

PT-2026-90462

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A use-after-free issue exists in the tracing component when two histogram triggers on different events are registered using the same name= parameter. The system incorrectly reuses the...

CVE-2026-89727: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: GICv2: Don't WARN on out-of-range GICVDIR INTID vgicv2deactivate passes the INTID a guest wrote to GICVDIR straight to vgicgetvcpuirq, and treats a failed lookup as a "can't happen" condition with WARNONONCE. The gues...

CVE-2026-89146: Integer Overflow or Wraparound

libp2p-rendezvous through 0.17.1 fails to validate registration TTL values in discovery responses, allowing attackers to trigger timer arithmetic overflow. A malicious rendezvous server can send a discovery response with an unbounded TTL value that causes the client node process to panic when...

PT-2026-96409

In the Linux kernel, the following vulnerability has been resolved: s390/dasd: Guard sysfs discipline callbacks against unallocated private data Several sysfs show/store handlers call a discipline callback that dereferences device-private, either directly or through the DASD DEFINE ATTR macro...

PT-2026-96534

In the Linux kernel, the following vulnerability has been resolved: ocfs2: validate lengths in dlm mig lockres handler A node receiving a DLM MIG LOCKRES message trusts several fields of the peer-supplied dlm migratable lockres without validation. num locks and lockname len are bounded only on th...

CVE-2026-89494: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: ocfs2: validate lengths in dlmmiglockreshandler A node receiving a DLMMIGLOCKRES message trusts several fields of the peer-supplied dlmmigratablelockres without validation. numlocks and locknamelen are bounded only on the sending...

PT-2026-90176

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the s390 CPUMF facility where the kernel can crash when CPUs are hotplug added during the execution of a command such as perf stat -e cycles -- . The root cause is the...

PT-2026-96490

In the Linux kernel, the following vulnerability has been resolved: s390/cpum cf: Handle CPU hotplug via prepare/dead callbacks The command 'perf stat -e cycles -- ' crashes the kernel when CPUs are hotplug added during that run. Root cause is the allocation of struct cpu cf events at first event...

PT-2026-96562

In the Linux kernel, the following vulnerability has been resolved: net: thunderbolt: Mark the connection down when bringing it up fails Every failure path in tbnet connected work undoes its own work and returns without clearing login sent, so the connection still looks established. The next tbne...

CVE-2026-80939: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: wifi: rtw89: pci: add .shutdown callback to stop rfkill polling on reboot Since the hardware rfkill polling was introduced, arm64 platforms can panic with an asynchronous SError during warm reboot: SError Interrupt on CPU8, code...

CVE-2026-80989: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: net: thunderbolt: Mark the connection down when bringing it up fails Every failure path in tbnetconnectedwork undoes its own work and returns without clearing loginsent, so the connection still looks established. The next...

CVE-2026-80993: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: net: phylink: correctly validate returned PCS in phylinkinbandcaps In phylinkinbandcaps, the PCS returned by macselectpcs is only checked if NULL but macselectpcs can also return an error pointer. This can cause a kernel panic as...

CVE-2026-89460: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: s390/cpumcf: Handle CPU hotplug via prepare/dead callbacks The command 'perf stat -e cycles -- ' crashes the kernel when CPUs are hotplug added during that run. Root cause is the allocation of struct cpucfevents at first event...

PT-2026-90069

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description On arm64 platforms, a kernel panic can occur during a warm reboot due to an asynchronous SError. This happens because the rtw89 PCI driver lacks a .shutdown callback, allowing rfkill...

PT-2026-90076

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 7.2.6-1.1 Description An issue exists in the fuse-io-uring transport where request headers are copied directly to and from userspace. Specifically, the fuse uring copy to ring function copies req-in.h and the fus...

PT-2026-90123

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 7.2.6-1.1 Description An issue exists in the phylink inband caps function where the PCS returned by mac select pcs is only checked for NULL values. Because mac select pcs can also return an error pointer, the...

PT-2026-90173

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 7.2.6-1.1 Description Several sysfs show/store handlers call a discipline callback that dereferences the device-private variable, either directly or through the DASD DEFINE ATTR macro. During the execution of the...

PT-2026-90241

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the UDF 1.50 virtual partition mapping where the VAT Virtual Allocation Table is used as an array of physical block mappings. The s num entries variable stores the tot...