CVE-2025-21851 bpf: Fix softlockup in arena_map_free on 64k page kernel

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix softlockup in arenamapfree on 64k page kernel On an aarch64 kernel with CONFIGPAGESIZE64KB=y, arenahtab tests cause a segmentation fault and soft lockup. The same failure is not observed with 4k pages on aarch64. It turn...

CVE-2025-21851

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix softlockup in arenamapfree on 64k page kernel On an aarch64 kernel with CONFIGPAGESIZE64KB=y, arenahtab tests cause a segmentation fault and soft lockup. The same failure is not observed with 4k pages on aarch64. It turn...

Linux kernel 安全漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. Linux kernel suffers from an improper locking vulnerability that stems from arenamapfree on a 64k page kernel that could lead to a soft lock. The vulnerability can be exploited...

PT-2025-11004

Name of the Vulnerable Software and Affected Versions: Linux kernel affected versions not specified Description: A deadlock issue has been resolved in the Linux kernel related to the bpf Berkeley Packet Filter functionality, specifically when freeing cgroup storage. This issue was introduced by a...

PT-2024-36923

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 6.6.74 Description The issue is related to out-of-bounds OOB writes in the devmap when deleting elements. This is caused by the index used for accessing map entries being a signed integer, which leads to OOB...

bpf: Defer the free of inner map when necessary

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DEBIAN-CVE-2023-52446

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix a race condition between btfput and mapfree When running ./testprogs -j in my local vm with latest kernel, I once hit a kasan error like below: 1887.184724 BUG: KASAN: slab-use-after-free in bpfrbrootfree+0x1f8/0x2b0...

AZL-35786 CVE-2023-52447 affecting package kernel for versions less than 5.15.158.1-1

In the Linux kernel, the following vulnerability has been resolved: bpf: Defer the free of inner map when necessary When updating or deleting an inner map in map array or map htab, the map may still be accessed by non-sleepable program or sleepable program. However bpfmapfdputptr decreases the...

DEBIAN-CVE-2023-52447

In the Linux kernel, the following vulnerability has been resolved: bpf: Defer the free of inner map when necessary When updating or deleting an inner map in map array or map htab, the map may still be accessed by non-sleepable program or sleepable program. However bpfmapfdputptr decreases the...

UBUNTU-CVE-2023-52447

In the Linux kernel, the following vulnerability has been resolved: bpf: Defer the free of inner map when necessary When updating or deleting an inner map in map array or map htab, the map may still be accessed by non-sleepable program or sleepable program. However bpfmapfdputptr decreases the...

UBUNTU-CVE-2023-52446

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix a race condition between btfput and mapfree When running ./testprogs -j in my local vm with latest kernel, I once hit a kasan error like below: 1887.184724 BUG: KASAN: slab-use-after-free in bpfrbrootfree+0x1f8/0x2b0...

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 stems from a race condition between btfput and mapfree...

Important: kernel

Issue Overview: A flaw has been found in Xen. An unprivileged guest can cause Denial of Service DoS of the host by sending network packets to the backend, causing the backend to crash. CVE-2023-46838 In the Linux kernel, the following vulnerability has been resolved: uio: Fix use-after-free in...

Important: kernel

Issue Overview: A flaw has been found in Xen. An unprivileged guest can cause Denial of Service DoS of the host by sending network packets to the backend, causing the backend to crash. CVE-2023-46838 In the Linux kernel, the following vulnerability has been resolved: uio: Fix use-after-free in...

PT-2023-8763 · Linux +3 · Linux Kernel +3

Name of the Vulnerable Software and Affected Versions: Linux kernel versions prior to 6.7.0-rc3-00699-g90679706d486-dirty 494 Description: The vulnerability is related to a race condition between btf put and map free in the Linux kernel. This issue can lead to a slab-use-after-free error,...

PT-2023-34525

Name of the Vulnerable Software and Affected Versions Linux Kernel versions prior to v5.10.163 Description A race condition exists in the sock map free function of the Linux Kernel. The actual impact and attack plausibility have not yet been proven. Recommendations For Linux Kernel versions prior...

PT-2023-33816

Name of the Vulnerable Software and Affected Versions Linux Kernel versions prior to v6.0.16 Description A race condition exists in the sock map free function. The actual impact and attack plausibility have not yet been proven. Recommendations For Linux Kernel versions prior to v6.0.16, update to...

PT-2023-34220

Name of the Vulnerable Software and Affected Versions Linux Kernel versions prior to v5.15.86 Description A race condition exists in the sock map free function related to bpf and sockmap. The actual impact and attack plausibility have not yet been proven. Recommendations For Linux Kernel versions...

GPS Map Free - Dynamic Code Loading, External URLs, SD-card access vulnerabilities

HackApp vulnerability scanner discovered that application GPS Map Free published at the 'play' market has multiple vulnerabilities...