Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-002499)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-002499 advisory. The securitycontexttosidcore function in security/selinux/ss/services.c in the Linux kernel before 3.13.4 allows local users to cause a denial of service system cras...

Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-002567)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-002567 advisory. The handleinvept function in arch/x86/kvm/vmx.c in the Linux kernel 3.12 through 3.15 allows privileged KVM guest OS users to cause a denial of service NULL pointer...

Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-002610)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-002610 advisory. The spectrev2selectmitigation function in arch/x86/kernel/cpu/bugs.c in the Linux kernel before 4.18.1 does not always fill RSB upon a context switch, which makes it...

Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-001854)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-001854 advisory. The securitycontexttosidcore function in security/selinux/ss/services.c in the Linux kernel before 3.13.4 allows local users to cause a denial of service system cras...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-003204)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-003204 advisory. The spectrev2selectmitigation function in arch/x86/kernel/cpu/bugs.c in the Linux kernel before 4.18.1 does not always fill RSB upon a context switch, which makes it...

Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-003479)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-003479 advisory. Race condition in kernel/events/core.c in the Linux kernel before 4.9.7 allows local users to gain privileges via a crafted application that makes concurrent...

CVE-2025-71078

A Segment Lookaside Buffer SLB multi-hit error vulnerability was found in the Linux kernel's PowerPC 64-bit hash MMU implementation. When a process migrates between CPUs without triggering switchmmucontext because prev and next mmstruct are the same, the hardware SLB and software preload cache ca...

Community-powered security with AI: an open source framework for security research

Since its founding in 2019, GitHub Security Lab has had one primary goal: community-powered security. We believe that the best way to improve software security is by sharing knowledge and tools, and by using open source software so that everybody is empowered to audit the code and report any...

K000159546: Python vulnerability CVE-2024-5642

Security Advisory Description CPython 3.9 and earlier doesn't disallow configuring an empty list "" for SSLContext.setnpnprotocols which is an invalid value for the underlying OpenSSL API. This results in a buffer over-read when NPN is used see CVE-2024-5535 for OpenSSL. This vulnerability is of...

CVE-2025-71144

In the Linux kernel, the following vulnerability has been resolved: mptcp: ensure context reset on disconnect After the blamed commit below, if the MPC subflow is already in TCPCLOSE status or has fallback to TCP at mptcpdisconnect time, mptcpdofastclose skips setting the sendfastclose flag and t...

CVE-2025-71140

In the Linux kernel, the following vulnerability has been resolved: media: mediatek: vcodec: Use spinlock for context list protection lock Previously a mutex was added to protect the encoder and decoder context lists from unexpected changes originating from the SCP IP block, causing the context...

CVE-2025-71132

In the Linux kernel, the following vulnerability has been resolved: smc91x: fix broken irq-context in PREEMPTRT When smc91x.c is built with PREEMPTRT, the following splat occurs in FVPRevC: 13.055000 smc91x LNRO0003:00 eth0: link up, 10Mbps, half-duplex, lpa 0x0000 13.062137 BUG: workqueue leaked...

CVE-2025-71132

In the Linux kernel, the following vulnerability has been resolved: smc91x: fix broken irq-context in PREEMPTRT When smc91x.c is built with PREEMPTRT, the following splat occurs in FVPRevC: 13.055000 smc91x LNRO0003:00 eth0: link up, 10Mbps, half-duplex, lpa 0x0000 13.062137 BUG: workqueue leaked...

UBUNTU-CVE-2025-71140

In the Linux kernel, the following vulnerability has been resolved: media: mediatek: vcodec: Use spinlock for context list protection lock Previously a mutex was added to protect the encoder and decoder context lists from unexpected changes originating from the SCP IP block, causing the context...

CVE-2025-71144

In the Linux kernel, the following vulnerability has been resolved: mptcp: ensure context reset on disconnect After the blamed commit below, if the MPC subflow is already in TCPCLOSE status or has fallback to TCP at mptcpdisconnect time, mptcpdofastclose skips setting the sendfastclose flag and t...

UBUNTU-CVE-2025-71132

In the Linux kernel, the following vulnerability has been resolved: smc91x: fix broken irq-context in PREEMPTRT When smc91x.c is built with PREEMPTRT, the following splat occurs in FVPRevC: 13.055000 smc91x LNRO0003:00 eth0: link up, 10Mbps, half-duplex, lpa 0x0000 13.062137 BUG: workqueue leaked...

UBUNTU-CVE-2025-71144

In the Linux kernel, the following vulnerability has been resolved: mptcp: ensure context reset on disconnect After the blamed commit below, if the MPC subflow is already in TCPCLOSE status or has fallback to TCP at mptcpdisconnect time, mptcpdofastclose skips setting the sendfastclose flag and t...

CVE-2025-71144

In the Linux kernel, the following vulnerability has been resolved: mptcp: ensure context reset on disconnect After the blamed commit below, if the MPC subflow is already in TCPCLOSE status or has fallback to TCP at mptcpdisconnect time, mptcpdofastclose skips setting the sendfastclose flag and t...

CVE-2025-71144 mptcp: ensure context reset on disconnect()

In the Linux kernel, the following vulnerability has been resolved: mptcp: ensure context reset on disconnect After the blamed commit below, if the MPC subflow is already in TCPCLOSE status or has fallback to TCP at mptcpdisconnect time, mptcpdofastclose skips setting the sendfastclose flag and t...

CVE-2025-71144

The CVE-2025-71144 issue is in the Linux kernel’s MPTCP code path, where after a commit, if the MPC subflow is already TCP_CLOSE or falls back to TCP, mptcp_do_fastclose() may skip setting the send_fastclose flag, causing __mptcp_close_ssk() to stop resetting the subflow context. Consequently, a ...