CVE-2024-56615 bpf: fix OOB devmap writes when deleting elements

In the Linux kernel, the following vulnerability has been resolved: bpf: fix OOB devmap writes when deleting elements Jordy reported issue against XSKMAP which also applies to DEVMAP - the index used for accessing map entry, due to being a signed integer, causes the OOB writes. Fix is simple as...

CVE-2024-56615

CVE-2024-56615 affects the Linux kernel and concerns BPF maps (devmap/xskmap) where an index used to access map entries could be a signed int, causing out-of-bounds writes. The fix changes the index type from int to u32 for both map element access and the iterator used during dev_map_free() to pr...

CVE-2024-56615 bpf: fix OOB devmap writes when deleting elements

In the Linux kernel, the following vulnerability has been resolved: bpf: fix OOB devmap writes when deleting elements Jordy reported issue against XSKMAP which also applies to DEVMAP - the index used for accessing map entry, due to being a signed integer, causes the OOB writes. Fix is simple as...

CVE-2024-56592 bpf: Call free_htab_elem() after htab_unlock_bucket()

In the Linux kernel, the following vulnerability has been resolved: bpf: Call freehtabelem after htabunlockbucket For htab of maps, when the map is removed from the htab, it may hold the last reference of the map. bpfmapfdputptr will invoke bpfmapfreeid to free the id of the removed map element...

CVE-2024-56592 bpf: Call free_htab_elem() after htab_unlock_bucket()

In the Linux kernel, the following vulnerability has been resolved: bpf: Call freehtabelem after htabunlockbucket For htab of maps, when the map is removed from the htab, it may hold the last reference of the map. bpfmapfdputptr will invoke bpfmapfreeid to free the id of the removed map element...

CVE-2024-56592: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: bpf: Call freehtabelem after htabunlockbucket For htab of maps, when the map is removed from the htab, it may hold the last reference of the map. bpfmapfdputptr will invoke bpfmapfreeid to free the id of the removed map element...

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 Linux kernel that stems from multiple issues in the bpfmsgpopdata function in the bpf module, which could lead to memory errors...

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 Linux kernel that originates from an out-of-bounds devmap write when deleting elements in the bpf module...

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 Linux kernel that stems from multiple issues in the bpfmsgpopdata function in the bpf module, which could lead to memory errors...

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 Linux kernel that originates from an out-of-bounds devmap write when deleting elements in the bpf module...

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 Linux kernel that originates in the skmemuncharge logic of the tcpbpfsendmsg function in the tcpbpf module...

CVE-2024-56664: Concurrent Execution using Shared Resource with Improper Synchronization

In the Linux kernel, the following vulnerability has been resolved: bpf, sockmap: Fix race between element replace and close Element replace with a socket different from the one stored may race with socket's close link popping & unlinking. sockmapdelete unconditionally unrefs the wrong element: /...

CVE-2024-56665: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: bpf,perf: Fix invalid progarray access in perfeventdetachbpfprog Syzbot reported 1 crash that happens for following tracing scenario: - create tracepoint perf event with attr.inherit=1, attach it to the process and set bpf progra...

CVE-2024-56615: Out-of-bounds Write

In the Linux kernel, the following vulnerability has been resolved: bpf: fix OOB devmap writes when deleting elements Jordy reported issue against XSKMAP which also applies to DEVMAP - the index used for accessing map entry, due to being a signed integer, causes the OOB writes. Fix is simple as...

bpf Component DoS

The vulnerability of the bpf component in the Linux operating system’s kernel is related to a memory leak in the checkatomic function. Exploiting this vulnerability could allow an attacker to cause a system failure...

bpf Component DoS

The vulnerability of the bpf component in the Linux operating system’s kernel is related to a memory leak in the checkatomic function. Exploiting this vulnerability could allow an attacker to cause a system failure...

USN-7166-3 linux-hwe-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: - ARM32 architecture; - RISC-V architecture; - S390 architecture; - x86 architecture; - Block layer subsystem; - ACPI...

PT-2025-9941 · Linux +3 · Linux Kernel +3

Name of the Vulnerable Software and Affected Versions: Linux kernel affected versions not specified Description: A use-after-free issue has been identified in the Linux kernel related to the bpf struct ops when CONFIG MODULES=n. The problem arises because the btf id of the "struct module" is...

Ubuntu 20.04 LTS : Linux kernel (IoT) vulnerabilities (USN-7159-4)

The remote Ubuntu 20.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-7159-4 advisory. Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in...

Security update for the Linux Kernel

The SUSE Linux Enterprise 15 SP6 Confidential Computing kernel was updated to receive various security bugfixes. The following security bugs were fixed: CVE-2023-52778: mptcp: deal with large GSO size bsc1224948. CVE-2023-52920: bpf: support non-r10 register spill/fill to/from stack in precision...