Buffer Overflow

The BPF subsystem in the Linux kernel is vulnerable to buffer overflow. The vulnerability exists in kernel/bpf/core.c and kernel/bpf/core.c because of mishandling situations with a long jump over an instruction sequence where inner instructions require substantial expansions into multiple BPF...

Important: Red Hat Security Advisory: kernel security and bug fix update

An update for kernel is now available for Red Hat Enterprise Linux 8.2 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for...

GSD-2022-1000261 powerpc64/bpf: Limit 'ldbrx' to processors compliant with ISA v2.06

powerpc64/bpf: Limit 'ldbrx' to processors compliant with ISA v2.06 This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v5.15.19 by commit...

GSD-2022-1000241 bpf: Guard against accessing NULL pt_regs in bpf_get_task_stack()

bpf: Guard against accessing NULL ptregs in bpfgettaskstack This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v5.15.19 by commit...

GSD-2022-1000233 bpf: Use VM_MAP instead of VM_ALLOC for ringbuf

bpf: Use VMMAP instead of VMALLOC for ringbuf This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v5.10.99 by commit...

GSD-2022-1000198 powerpc64/bpf: Limit 'ldbrx' to processors compliant with ISA v2.06

powerpc64/bpf: Limit 'ldbrx' to processors compliant with ISA v2.06 This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v5.10.96 by commit...

GSD-2022-1000182 bpf: Guard against accessing NULL pt_regs in bpf_get_task_stack()

bpf: Guard against accessing NULL ptregs in bpfgettaskstack This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v5.10.96 by commit...

SUSE SLES12 Security Update : kernel (SUSE-SU-2022:0477-1)

The remote SUSE Linux SLES12 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2022:0477-1 advisory. - The BPF subsystem in the Linux kernel before 4.17 mishandles situations with a long jump over an instruction sequence where inner instruction...

PT-2022-7488

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The issue is related to a crash due to out of bounds access into reg2btf ids in the Linux kernel's bpf component. This occurred after a commit added kfunc support and defined reg2btf ids...

CVE-2021-45402

A memory leak flaw was found in the Linux kernel’s BPF subsystem in the way a user triggers the checkaluop function of the BPF verifier. This flaw allows a local user to obtain unauthorized memory access or potentially crash the system. Mitigation The default Red Hat Enterprise Linux kernel...

Linux kernel information disclosure vulnerability (CNVD-2022-68617)

Linux kernel is the kernel used by the Linux Foundation's open source operating system Linux. kernel is one of the kernel-based virtual machines. Linux kernel is vulnerable to an information disclosure vulnerability caused by a pointer disclosure in the checkaluop function in Kernel/bpf/verifier....

Unbreakable Enterprise kernel security update

5.4.17-2136.304.4.1 - Revert rds/ib: Kernel upgrade to rdsibconns info displayed by rds-info Rohit Nair Orabug: 33832625 - cgroup-v1: Require capabilities to set releaseagent Eric W. Biederman Orabug: 33832582 CVE-2022-0492 5.4.17-2136.304.4 - scsi: libiscsi: Fix iscsitask use after free Mike...

Unbreakable Enterprise kernel-container security update

5.4.17-2136.304.4.1 - Revert rds/ib: Kernel upgrade to rdsibconns info displayed by rds-info Rohit Nair Orabug: 33832625 - cgroup-v1: Require capabilities to set releaseagent Eric W. Biederman Orabug: 33832582 CVE-2022-0492 5.4.17-2136.304.4 - scsi: libiscsi: Fix iscsitask use after free Mike...

DEBIAN-CVE-2021-45402

The checkaluop function in kernel/bpf/verifier.c in the Linux kernel through v5.16-rc5 did not properly update bounds while handling the mov32 instruction, which allows local users to obtain potentially sensitive address information, aka a "pointer leak."...

UBUNTU-CVE-2021-45402

The checkaluop function in kernel/bpf/verifier.c in the Linux kernel through v5.16-rc5 did not properly update bounds while handling the mov32 instruction, which allows local users to obtain potentially sensitive address information, aka a "pointer leak."...

CVE-2021-45402

The checkaluop function in kernel/bpf/verifier.c in the Linux kernel through v5.16-rc5 did not properly update bounds while handling the mov32 instruction, which allows local users to obtain potentially sensitive address information, aka a "pointer leak."...

CVE-2021-45402

CVE-2021-45402 affects the Linux kernel where check_alu_op() in kernel/bpf/verifier.c does not update bounds properly when handling mov32, enabling local attackers to leak potentially sensitive addresses (pointer leak). The description is consistently cited across multiple connected advisories (e...

SUSE SLES15 Security Update : kernel (SUSE-SU-2022:0366-1)

The remote SUSE Linux SLES15 / SLESSAP15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2022:0366-1 advisory. - The BPF subsystem in the Linux kernel before 4.17 mishandles situations with a long jump over an instruction sequence where inner...

SUSE SLES15: cluster-md-kmp-default / dlm-kmp-default / gfs2-kmp-default / etc (SUSE-SU-2022:0367-1)

The remote SUSE Linux SLES15 / SLESSAP15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2022:0367-1 advisory. The SUSE Linux Enterprise 15 kernel was updated to receive various security and bugfixes. The following security bugs were fixed: -...

SUSE SLES12: cluster-md-kmp-default / dlm-kmp-default / gfs2-kmp-default / etc (SUSE-SU-2022:0362-1)

The remote SUSE Linux SLES12 / SLESSAP12 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2022:0362-1 advisory. The SUSE Linux Enterprise 12 SP3 LTSS kernel was updated to receive various security and bugfixes. The following security bugs were...