CLSA-2024-1725876080 kernel: Fix of 45 CVEs

dmaengine: idxd: Fix possible Use-After-Free in irqprocessworklist CVE-2024-40956 - userfaultfd: fix a race between writeprotect and exitmmap CVE-2021-47461 - netfilter: nftables: use timestamp to check for set element timeout CVE-2024-27397 - x86/sev: Harden VC instruction emulation somewhat...

Linux BPF Core Read Bitfield

The vulnerability of the BPFCOREREADBITFIELD macro definition in the tools/lib/bpf/bpfcoreread.h file of the Linux kernel’s bpf component is related to the absence of initialization for variables. Exploiting this vulnerability could allow an attacker to compromise the confidentiality, integrity,...

bpf: Avoid uninitialized value in BPF_CORE_READ_BITFIELD

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SUSE CVE-2024-42161

In the Linux kernel, the following vulnerability has been resolved: bpf: Avoid uninitialized value in BPFCOREREADBITFIELD Changes from V1: - Use a default branch in the switch statement to initialize val'. GCC warns that val' may be used uninitialized in the BPFCREREADBITFIELD macro, defined in...

DEBIAN-CVE-2024-42161

In the Linux kernel, the following vulnerability has been resolved: bpf: Avoid uninitialized value in BPFCOREREADBITFIELD Changes from V1: - Use a default branch in the switch statement to initialize val'. GCC warns that val' may be used uninitialized in the BPFCREREADBITFIELD macro, defined in...

AZL-47412 CVE-2024-42161 affecting package kernel for versions less than 6.6.43.1-7

In the Linux kernel, the following vulnerability has been resolved: bpf: Avoid uninitialized value in BPFCOREREADBITFIELD Changes from V1: - Use a default branch in the switch statement to initialize val'. GCC warns that val' may be used uninitialized in the BPFCREREADBITFIELD macro, defined in...

UBUNTU-CVE-2024-42161

In the Linux kernel, the following vulnerability has been resolved: bpf: Avoid uninitialized value in BPFCOREREADBITFIELD Changes from V1: - Use a default branch in the switch statement to initialize val'. GCC warns that val' may be used uninitialized in the BPFCREREADBITFIELD macro, defined in...

Linux Kernel Security Vulnerabilities

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in the Linux kernel that originates in the bpf module in the BPFCOREREADBITFIELD macro, where the variable val may be uninitialized. This could...

PT-2024-6599

Name of the Vulnerable Software and Affected Versions: Linux kernel affected versions not specified Description: The issue is related to an uninitialized value in the BPF CORE READ BITFIELD macro, defined in bpf core read.h. GCC warns that the val variable may be used uninitialized. The...