PT-2022-34773 · Linux · Linux Kernel

Name of the Vulnerable Software and Affected Versions: Linux Kernel versions prior to v5.19.12 Description: A percpu memory leak was discovered in the nf tables module at the nf tables addchain function. The actual impact and attack plausibility have not yet been proven. Recommendations: For Linu...

Moderate: kernel security, bug fix, and enhancement update

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: Incomplete cleanup of multi-core shared buffers aka SBDR CVE-2022-21123 Incomplete cleanup of microarchitectural fill buffers aka SBDS CVE-2022-21125 Incomplete cleanup in specific special regist...

OracleVM 3.4 : Unbreakable / etc (OVMSA-2020-0019)

The remote OracleVM system is missing necessary patches to address critical security updates : - KVM: x86: Remove spurious semicolon Joao Martins Orabug: 31413782 - genirq: Use rcu in kstatirqsusr Eric Dumazet - genirq: Make sparseirqlock protect what it should protect Thomas Gleixner Orabug:...

kernel: double free may be caused by the function allocate_trace_buffer in the file kernel/trace/trace.c

A flaw was found in the allocatetracebuffer in kernel/trace/trace.c in the debug subsystem, when failure to allocate a dynamic percpu area, a resource cleanup is called. The pointer buf-buffer still holds the address and is not set to NULL, which can cause a use-after-free problem, leading to a...

kernel: double free may be caused by the function allocate_trace_buffer in the file kernel/trace/trace.c

A flaw was found in the allocatetracebuffer in kernel/trace/trace.c in the debug subsystem, when failure to allocate a dynamic percpu area, a resource cleanup is called. The pointer buf-buffer still holds the address and is not set to NULL, which can cause a use-after-free problem, leading to a...

kernel: double free may be caused by the function allocate_trace_buffer in the file kernel/trace/trace.c

A flaw was found in the allocatetracebuffer in kernel/trace/trace.c in the debug subsystem, when failure to allocate a dynamic percpu area, a resource cleanup is called. The pointer buf-buffer still holds the address and is not set to NULL, which can cause a use-after-free problem, leading to a...

kernel: double free may be caused by the function allocate_trace_buffer in the file kernel/trace/trace.c

A flaw was found in the allocatetracebuffer in kernel/trace/trace.c in the debug subsystem, when failure to allocate a dynamic percpu area, a resource cleanup is called. The pointer buf-buffer still holds the address and is not set to NULL, which can cause a use-after-free problem, leading to a...

kernel: double free may be caused by the function allocate_trace_buffer in the file kernel/trace/trace.c

A flaw was found in the allocatetracebuffer in kernel/trace/trace.c in the debug subsystem, when failure to allocate a dynamic percpu area, a resource cleanup is called. The pointer buf-buffer still holds the address and is not set to NULL, which can cause a use-after-free problem, leading to a...

kernel: double free may be caused by the function allocate_trace_buffer in the file kernel/trace/trace.c

A flaw was found in the allocatetracebuffer in kernel/trace/trace.c in the debug subsystem, when failure to allocate a dynamic percpu area, a resource cleanup is called. The pointer buf-buffer still holds the address and is not set to NULL, which can cause a use-after-free problem, leading to a...

Unbreakable Enterprise kernel security update

4.1.12-124.39.1 - qla2xxx: Update driver version to 9.00.00.00.42.0-k1-v2 Arun Easi Orabug: 30372266 - qla2xxx: Fix device discovery when FCP2 device is lost. Arun Easi Orabug: 30372266 - brcmfmac: add subtype check for event handling in data path John Donnelly Orabug: 30776354 CVE-2019-9503 -...

DEBIAN-CVE-2019-19462

relayopen in kernel/relay.c in the Linux kernel through 5.4.1 allows local users to cause a denial of service such as relay blockage by triggering a NULL allocpercpu result...

Linux kernel information disclosure vulnerability (CNVD-2018-24478)

Linux kernel is the kernel used by Linux, the open source operating system released by the Linux Foundation in the United States. A security vulnerability exists in the 'pcpuembedfirstchunk' function in the mm/percpu.c file in Linux kernel versions 4.14.14 and earlier. A local attacker can exploi...

DEBIAN-CVE-2018-5995

The pcpuembedfirstchunk function in mm/percpu.c in the Linux kernel through 4.14.14 allows local users to obtain sensitive address information by reading dmesg data from a "pages/cpu" printk call...

BSA-2017-268

Security Advisory ID : BSA-2017-268 Component : Linux Kernel Revision : 1.0: Interim Use-after-free vulnerability in mm/percpu.cin the Linux kernel through 4.6 allows local users to cause a denial of service BUG or possibly have unspecified other impact via crafted use of themmapandbpfsystem call...

OracleVM 3.4 : Unbreakable / etc (OVMSA-2016-0162)

The remote OracleVM system is missing necessary patches to address critical security updates : - acpi: Disable ACPI table override if securelevel is set Linn Crosetto Orabug: 25058966 CVE-2016-3699 - aacraid: Check size values after double-fetch from user Dave Carroll Orabug: 25060060 CVE-2016-64...

Oracle Linux 6 / 7 : Unbreakable Enterprise kernel (ELSA-2016-3644)

The remote Oracle Linux 6 / 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2016-3644 advisory. - acpi: Disable ACPI table override if securelevel is set Linn Crosetto Orabug: 25058966 CVE-2016-3699 - aacraid: Check size values after...

Unbreakable Enterprise kernel security update

kernel-uek 4.1.12-61.1.19 - acpi: Disable ACPI table override if securelevel is set Linn Crosetto Orabug: 25058966 CVE-2016-3699 - aacraid: Check size values after double-fetch from user Dave Carroll Orabug: 25060060 CVE-2016-6480 CVE-2016-6480 - audit: fix a double fetch in auditlogsingleexecvea...

kernel: Use after free in array_map_alloc

Use after free vulnerability was found in percpu using previously allocated memory in bpf. First allocpercpugfp is called, then the memory is freed with freepercpu which triggers async pcpubalancework and then pcpuextendareamap could use a chunk after it has been freed...

kernel: Use after free in array_map_alloc

Use after free vulnerability was found in percpu using previously allocated memory in bpf. First allocpercpugfp is called, then the memory is freed with freepercpu which triggers async pcpubalancework and then pcpuextendareamap could use a chunk after it has been freed...

Ubuntu 14.04 LTS : Linux kernel (Vivid HWE) vulnerabilities (USN-3053-1)

The remote Ubuntu 14.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-3053-1 advisory. A missing permission check when settings ACLs was discovered in nfsd. A local user could exploit this flaw to gain access to any file by setting an ACL...