USN-7775-3 linux-azure-5.15 vulnerabilities

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - ARM64 architecture; - PowerPC architecture; - x86 architecture; - ACPI drivers; - Serial ATA and Parallel ATA...

PT-2025-44110

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The Linux kernel contains a race condition in kprobe initialization that can lead to a NULL pointer dereference and kernel crash. This occurs between kprobe activation and perf events...

USN-7764-2 linux-hwe-6.8 vulnerabilities

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - ARM32 architecture; - ARM64 architecture; - x86 architecture; - Compute Acceleration Framework; - Bus devices; - AM...

USN-7767-2 linux-realtime-6.8 vulnerabilities

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - ARM32 architecture; - ARM64 architecture; - x86 architecture; - Compute Acceleration Framework; - Bus devices; - AM...

USN-7776-1 linux-oracle-5.15 vulnerabilities

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - ARM64 architecture; - PowerPC architecture; - x86 architecture; - ACPI drivers; - Serial ATA and Parallel ATA...

Ubuntu Pro 24.04 LTS Realtime Kernel : Linux kernel (Real-time) vulnerabilities (USN-7767-1)

"The remote Ubuntu Pro 24.04 LTS Realtime Kernel host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-7767-1 advisory. Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This...

USN-7766-1: Linux kernel vulnerabilities

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - ARM32 architecture; - ARM64 architecture; - x86 architecture; - Compute Acceleration Framework; - Bus devices; - AM...

SUSE-SU-2025:03283-1 Security update for the Linux Kernel

The SUSE Linux Enterprise 15 SP5 RT kernel was updated to receive various security bugfixes. The following security bugs were fixed: - CVE-2022-49980: USB: gadget: fix use-after-free read in usbudcuevent bsc1245110. - CVE-2022-50116: tty: ngsm: fix deadlock and link starvation in outgoing data pa...

PT-2025-44149

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue was identified in the Linux kernel related to the perf subsystem and specifically the arm spe component. A cast to unsigned long was implemented for the nr pages variable to...

Linux Distros Unpatched Vulnerability : CVE-2025-39821

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - In the Linux kernel, the following vulnerability has been resolved: perf: Avoid undefined behavior from stopping/starting inactive events Calling pmu-start/stop...

SUSE CVE-2025-39821

In the Linux kernel, the following vulnerability has been resolved: perf: Avoid undefined behavior from stopping/starting inactive events Calling pmu-start/stop on perf events in PERFEVENTSTATEOFF can leave event-hw.idx at -1. When PMU drivers later attempt to use this negative index as a shift...

DEBIAN-CVE-2025-39821

In the Linux kernel, the following vulnerability has been resolved: perf: Avoid undefined behavior from stopping/starting inactive events Calling pmu-start/stop on perf events in PERFEVENTSTATEOFF can leave event-hw.idx at -1. When PMU drivers later attempt to use this negative index as a shift...

CVE-2025-39821

In the Linux kernel, the following vulnerability has been resolved: perf: Avoid undefined behavior from stopping/starting inactive events Calling pmu-start/stop on perf events in PERFEVENTSTATEOFF can leave event-hw.idx at -1. When PMU drivers later attempt to use this negative index as a shift...

UBUNTU-CVE-2025-39821

In the Linux kernel, the following vulnerability has been resolved: perf: Avoid undefined behavior from stopping/starting inactive events Calling pmu-start/stop on perf events in PERFEVENTSTATEOFF can leave event-hw.idx at -1. When PMU drivers later attempt to use this negative index as a shift...

CVE-2025-39821

CVE-2025-39821 (Linux kernel perf - UBSAN risk) The issue is a logic flaw in perf event throttling where a group’s disabled member in PERF_EVENT_STATE_OFF could be throttle-started/stoppped, causing PMU drivers to receive an event with hw.idx = -1. This negative index is used as a shift exponent ...

CVE-2025-39821 perf: Avoid undefined behavior from stopping/starting inactive events

In the Linux kernel, the following vulnerability has been resolved: perf: Avoid undefined behavior from stopping/starting inactive events Calling pmu-start/stop on perf events in PERFEVENTSTATEOFF can leave event-hw.idx at -1. When PMU drivers later attempt to use this negative index as a shift...

CVE-2025-39821 perf: Avoid undefined behavior from stopping/starting inactive events

In the Linux kernel, the following vulnerability has been resolved: perf: Avoid undefined behavior from stopping/starting inactive events Calling pmu-start/stop on perf events in PERFEVENTSTATEOFF can leave event-hw.idx at -1. When PMU drivers later attempt to use this negative index as a shift...

EulerOS 2.0 SP13 : kernel (EulerOS-SA-2025-2134)

According to the versions of the kernel packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : x86/fpu: KVM: Set the base guest FPU uABI size to sizeofstruct kvmxsave.CVE-2022-49557 A cross-privilege Spectre v2 vulnerability allows attackers...

PT-2025-37966

Name of the Vulnerable Software and Affected Versions: Linux kernel affected versions not specified Description: The Linux kernel contains a flaw where calling pmu-start/stop on perf events in PERF EVENT STATE OFF can lead to undefined behavior. This occurs when event-hw.idx is at -1, and PMU...

CLSA-2025-1757963029 kernel-uek: Fix of 194 CVEs

rds: tcp: block BH in TCP callbacks - kexec: Improve & fix crashexcludememrange to handle overlapping ranges - module: correctly exit modulekallsymsoneachsymbol when fn != 0 - module: potential uninitialized return in modulekallsymsoneachsymbol - module: use RCU to synchronize findmodule -...