SUSE-SU-2026:0542-1 Security update for the Linux Kernel (Live Patch 30 for SUSE Linux Enterprise 15 SP5)

This update for the SUSE Linux Enterprise kernel 5.14.21-150500.55.121 fixes various security issues The following security issues were fixed: - CVE-2023-53321: wifi: mac80211hwsim: drop short frames bsc1250314. - CVE-2025-38111: net/mdiobus: Fix potential out-of-bounds read/write access...

Security update for the Linux Kernel (Live Patch 30 for SUSE Linux Enterprise 15 SP5)

This update for the SUSE Linux Enterprise kernel 5.14.21-150500.55.121 fixes various security issues The following security issues were fixed: CVE-2023-53321: wifi: mac80211hwsim: drop short frames bsc1250314. CVE-2025-38111: net/mdiobus: Fix potential out-of-bounds read/write access bsc1249455...

Security update for the Linux Kernel (Live Patch 29 for SUSE Linux Enterprise 15 SP5)

This update for the SUSE Linux Enterprise kernel 5.14.21-150500.55.116 fixes various security issues The following security issues were fixed: CVE-2023-53321: wifi: mac80211hwsim: drop short frames bsc1250314. CVE-2025-38111: net/mdiobus: Fix potential out-of-bounds read/write access bsc1249455...

Security update for the Linux Kernel (Live Patch 28 for SUSE Linux Enterprise 15 SP5)

This update for the SUSE Linux Enterprise kernel 5.14.21-150500.55.113 fixes various security issues The following security issues were fixed: CVE-2023-53321: wifi: mac80211hwsim: drop short frames bsc1250314. CVE-2025-38111: net/mdiobus: Fix potential out-of-bounds read/write access bsc1249455...

SUSE-SU-2026:0528-1 Security update for the Linux Kernel (Live Patch 24 for SUSE Linux Enterprise 15 SP5)

This update for the SUSE Linux Enterprise kernel 5.14.21-150500.55.97 fixes various security issues The following security issues were fixed: - CVE-2023-53321: wifi: mac80211hwsim: drop short frames bsc1250314. - CVE-2025-38111: net/mdiobus: Fix potential out-of-bounds read/write access bsc124945...

Upcoming Speaking Engagements

This is a current list of where and when I am scheduled to speak: I'm speaking at Ontario Tech University in Oshawa, Ontario, Canada, at 2 PM ET on Thursday, February 26, 2026. I’m speaking at the Personal AI Summit in Los Angeles, California, USA, on Thursday, March 5, 2026. I’m speaking at Tech...

SUSE-SU-2026:0525-1 Security update for the Linux Kernel (Live Patch 73 for SUSE Linux Enterprise 12 SP5)

This update for the SUSE Linux Enterprise kernel 4.12.14-122.275 fixes one security issue The following security issue was fixed: - CVE-2025-40186: tcp: Don't call reqskfastopenremove in tcpconnrequest bsc1253439. The following non security issue was fixed: - bsc1250280: don't expose...

CVE-2026-23140

In the Linux kernel, the following vulnerability has been resolved: bpf, testrun: Subtract size of xdpframe from allowed metadata size The xdpframe structure takes up part of the XDP frame headroom, limiting the size of the metadata. However, in bpftestrun, we don't take this into account, which...

UBUNTU-CVE-2026-23140

In the Linux kernel, the following vulnerability has been resolved: bpf, testrun: Subtract size of xdpframe from allowed metadata size The xdpframe structure takes up part of the XDP frame headroom, limiting the size of the metadata. However, in bpftestrun, we don't take this into account, which...

CVE-2026-23140 bpf, test_run: Subtract size of xdp_frame from allowed metadata size

In the Linux kernel, the following vulnerability has been resolved: bpf, testrun: Subtract size of xdpframe from allowed metadata size The xdpframe structure takes up part of the XDP frame headroom, limiting the size of the metadata. However, in bpftestrun, we don't take this into account, which...

CVE-2026-23140

CVE-2026-23140 is a Linux kernel vulnerability resolved in kernel patches related to BPF/XDP handling. The issue arises in bpf_test_run where the metadata size isn’t constrained by the actual xdp_frame headroom, allowing a userspace-supplied metadata size that can exhaust headroom. In live packet...

SUSE-SU-2026:0521-1 Security update for the Linux Kernel (Live Patch 69 for SUSE Linux Enterprise 12 SP5)

This update for the SUSE Linux Enterprise kernel 4.12.14-122.261 fixes various security issues The following security issues were fixed: - CVE-2023-53321: wifi: mac80211hwsim: drop short frames bsc1250314. - CVE-2025-38352: posix-cpu-timers: fix race between handleposixcputimers and...

SUSE-SU-2026:0518-1 Security update for the Linux Kernel (Live Patch 64 for SUSE Linux Enterprise 12 SP5)

This update for the SUSE Linux Enterprise kernel 4.12.14-122.244 fixes various security issues The following security issues were fixed: - CVE-2023-53321: wifi: mac80211hwsim: drop short frames bsc1250314. - CVE-2025-38352: posix-cpu-timers: fix race between handleposixcputimers and...

SUSE SLES15 Security Update : kernel RT (Live Patch 2 for SUSE Linux Enterprise 15 SP7) (SUSE-SU-2026:0489-1)

The remote SUSE Linux SLES15 host has a package installed that is affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:0489-1 advisory. This update for the SUSE Linux Enterprise kernel 6.4.0-150700.7.8 fixes various security issues The following security issues were fixed: -...

SUSE SLES15 Security Update : kernel RT (Live Patch 4 for SUSE Linux Enterprise 15 SP7) (SUSE-SU-2026:0491-1)

The remote SUSE Linux SLES15 host has a package installed that is affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:0491-1 advisory. This update for the SUSE Linux Enterprise kernel 6.4.0-150700.7.16 fixes various security issues The following security issues were fixed: -...

SUSE SLES15 Security Update : kernel RT (Live Patch 3 for SUSE Linux Enterprise 15 SP7) (SUSE-SU-2026:0490-1)

The remote SUSE Linux SLES15 host has a package installed that is affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:0490-1 advisory. This update for the SUSE Linux Enterprise kernel 6.4.0-150700.7.13 fixes various security issues The following security issues were fixed: -...

SUSE SLES15 Security Update : kernel RT (Live Patch 1 for SUSE Linux Enterprise 15 SP7) (SUSE-SU-2026:0487-1)

The remote SUSE Linux SLES15 host has a package installed that is affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:0487-1 advisory. This update for the SUSE Linux Enterprise kernel 6.4.0-150700.7.3 fixes various security issues The following security issues were fixed: -...

SUSE-SU-2026:0515-1 Security update for the Linux Kernel (Live Patch 65 for SUSE Linux Enterprise 12 SP5)

This update for the SUSE Linux Enterprise kernel 4.12.14-122.247 fixes various security issues The following security issues were fixed: - CVE-2023-53321: wifi: mac80211hwsim: drop short frames bsc1250314. - CVE-2025-38352: posix-cpu-timers: fix race between handleposixcputimers and...

Security update for the Linux Kernel RT (Live Patch 5 for SUSE Linux Enterprise 15 SP7)

This update for the SUSE Linux Enterprise kernel 6.4.0-150700.7.19 fixes various security issues The following security issues were fixed: CVE-2025-40129: sunrpc: fix null pointer dereference on zero-length checksum bsc1253473. CVE-2025-40186: tcp: Don't call reqskfastopenremove in tcpconnrequest...

SUSE-SU-2026:0491-1 Security update for the Linux Kernel RT (Live Patch 4 for SUSE Linux Enterprise 15 SP7)

This update for the SUSE Linux Enterprise kernel 6.4.0-150700.7.16 fixes various security issues The following security issues were fixed: - CVE-2025-40129: sunrpc: fix null pointer dereference on zero-length checksum bsc1253473. - CVE-2025-40186: tcp: Don't call reqskfastopenremove in...