CVE-2022-0995

CVE-2022-0995 CVE-2022-0995 漏洞利用 分析文章 利用目标 : linux-5.13.18 参考文献 : https://docs.kernel.org/core-api/watchqueue.htmloverview https://bsauce.github.io/2022/04/15/CVE-2022-0995/ https://google.github.io/security-research/pocs/linux/cve-2021-22555/writeup.html https://github.com/Bonfee/CVE-2022-0995...

CVE-2022-0995

CVE-2022-0995 CVE-2022-0995的漏洞利用程序。利用Linux内核watchqueue组件中的堆越界写入。 类似的技术描述于该研究 https://google.github.io/security-research/pocs/linux/cve-2021-22555/writeup.html。 该漏洞利用程序已在Ubuntu 21.10（内核5.13.0-37）上测试。 该漏洞利用程序并不总是100%成功，可能需要多次运行才能获得结果。 root@kitploit: make ./exploit...

CVE-2022-0995

CVE-2022-0995 Ceci est mon exploit pour CVE-2022-0995, une écriture hors limites du tas dans le composant watchqueue du noyau Linux. Il utilise la même technique décrite dans https://google.github.io/security-research/pocs/linux/cve-2021-22555/writeup.html. L'exploit cible Ubuntu 21.10 avec le...

VulnCheck KEV: CVE-2022-0995

An out-of-bounds OOB memory write flaw was found in the Linux kernel’s watchqueue event notification subsystem. This flaw can overwrite parts of the kernel state, potentially allowing a local user to gain privileged access or cause a denial of service on the system...

EUVD-2022-55077

Malicious code in bioql PyPI...

EUVD-2022-54970

Malicious code in bioql PyPI...

SUSE-SU-2025:01640-1 Security update for the Linux Kernel

The SUSE Linux Enterprise 15 SP5 RT kernel was updated to receive various security bugfixes. The following security bugs were fixed: - CVE-2022-48933: netfilter: nftables: fix memory leak during stateful obj update bsc1229621. - CVE-2022-49110: netfilter: conntrack: revisit gc autotuning...

CVE-2025-23138

In the Linux kernel, the following vulnerability has been resolved: watchqueue: fix pipe accounting mismatch Currently, watchqueuesetsize modifies the pipe buffers charged to user-pipebufs without updating the pipe-nraccounted on the pipe itself, due to the if !pipehaswatchqueue test in...

Linux watch_queue Filter Out-Of-Bounds Write

The Linux watchqueue filter suffers from an out of bounds write vulnerability amongst other issues that are also noted. This bug report is about things in the watchqueue subsystem, which is only enabled under CONFIGWATCHQUEUE. That seems to be disabled e.g. on Debian, but Ubuntu and Fedora enable...

SUSE CVE-2022-49257

In the Linux kernel, the following vulnerability has been resolved: watchqueue: Fix NULL dereference in error cleanup In watchqueuesetsize, the error cleanup code doesn't take account of the fact that freepage can't handle a NULL pointer when trying to free up buffer pages that did get allocated...

CVE-2022-49256

In the Linux kernel, the following vulnerability has been resolved: watchqueue: Actually free the watch freewatch does everything barring actually freeing the watch object. Fix this by adding the missing kfree. kmemleak produces a report something like the following. Note that as an address can b...

CVE-2022-49257

In the Linux kernel, the following vulnerability has been resolved: watchqueue: Fix NULL dereference in error cleanup In watchqueuesetsize, the error cleanup code doesn't take account of the fact that freepage can't handle a NULL pointer when trying to free up buffer pages that did get allocated...

CVE-2022-49148

In the Linux kernel, the following vulnerability has been resolved: watchqueue: Free the page array when watchqueue is dismantled Commit 7ea1a0124b6d "watchqueue: Free the alloc bitmap when the watchqueue is torn down" took care of the bitmap, but not the page array. BUG: memory leak unreferenced...

CVE-2022-49257

CVE-2022-49257 affects the Linux kernel and stems from a NULL dereference in watch_queue_set_size() during error cleanup. The code path could call __free_page() on buffers that were not allocated, causing a NULL pointer dereference (observed as a KASAN report in __free_pages). The issue is mitiga...

CVE-2022-49257

In the Linux kernel, the following vulnerability has been resolved: watchqueue: Fix NULL dereference in error cleanup In watchqueuesetsize, the error cleanup code doesn't take account of the fact that freepage can't handle a NULL pointer when trying to free up buffer pages that did get allocated...

CVE-2022-49256 watch_queue: Actually free the watch

In the Linux kernel, the following vulnerability has been resolved: watchqueue: Actually free the watch freewatch does everything barring actually freeing the watch object. Fix this by adding the missing kfree. kmemleak produces a report something like the following. Note that as an address can b...

CVE-2022-49256 watch_queue: Actually free the watch

In the Linux kernel, the following vulnerability has been resolved: watchqueue: Actually free the watch freewatch does everything barring actually freeing the watch object. Fix this by adding the missing kfree. kmemleak produces a report something like the following. Note that as an address can b...

CVE-2022-49148 watch_queue: Free the page array when watch_queue is dismantled

In the Linux kernel, the following vulnerability has been resolved: watchqueue: Free the page array when watchqueue is dismantled Commit 7ea1a0124b6d "watchqueue: Free the alloc bitmap when the watchqueue is torn down" took care of the bitmap, but not the page array. BUG: memory leak unreferenced...

CVE-2022-49148

In the Linux kernel, the following vulnerability has been resolved: watchqueue: Free the page array when watchqueue is dismantled Commit 7ea1a0124b6d "watchqueue: Free the alloc bitmap when the watchqueue is torn down" took care of the bitmap, but not the page array. BUG: memory leak unreferenced...

CVE-2022-48847

In the Linux kernel, the following vulnerability has been resolved: watchqueue: Fix filter limit check In watchqueuesetfilter, there are a couple of places where we check that the filter type value does not exceed what the typefilter bitmap can hold. One place calculates the number of bits by: if...