CVE-2026-23248

CVE-2026-23248 affects the Linux kernel perf/core component, specifically the perf_mmap path that initializes a ring_buffer. The issue is a race between a failing mmap() setup and a concurrent mmap() on a dependent event (e.g., due to output redirection). The ring_buffer pointer (event->rb) is...

Linux Distros Unpatched Vulnerability : CVE-2026-23248

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - perf/core: Fix refcount bug and potential UAF in perfmmap Syzkaller reported a refcountt: addition on 0; use-after-free warning in perfmmap. The issue is caused...

PT-2026-26051

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A race condition exists in the Linux kernel perf event subsystem during ring buffer management. The issue occurs in the perf mmap function when a mmap setup fails and a concurrent mmap i...

CVE-2023-53614

Summary: CVE-2023-53614 affects the Linux kernel in the mm/ksm path, where exit_mmap() may teardown VMAs and the maple tree while mmap_lock is held, risking a destroyed maple tree being dereferenced. The fix ensures maple tree validity by checking ksm_test_exit() after obtaining mmap_lock in read...

Linux Distros Unpatched Vulnerability : CVE-2022-50240

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - android: binder: stop saving a pointer to the VMA Do not record a pointer to a VMA outside of the mmaplock for later use. This is unsafe and there are a number ...

CLSA-2024-1725187614 kernel: Fix of 11 CVEs

drm/vmwgfx: Fix invalid reads in fence signaled events CVE-2024-36960 - afunix: Fix garbage collector racing against connect CVE-2024-26923 - ipv6: remove maxsize check inline with ipv4 CVE-2023-52340 - aoe: fix the potential use-after-free problem in aoecmdcfgpkts CVE-2023-6270 - smb: client:...

An issue was discovered in mm/mmap.c in the Linux kernel before 5.7.11. There is a race condition between certain expand functions (expand_downwards and expand_upwards) and page-table free operations from an munmap call aka CID-246c320a8cfe.

...

DEBIAN-CVE-2020-29369

An issue was discovered in mm/mmap.c in the Linux kernel before 5.7.11. There is a race condition between certain expand functions expanddownwards and expandupwards and page-table free operations from an munmap call, aka CID-246c320a8cfe...

UBUNTU-CVE-2020-29369

An issue was discovered in mm/mmap.c in the Linux kernel before 5.7.11. There is a race condition between certain expand functions expanddownwards and expandupwards and page-table free operations from an munmap call, aka CID-246c320a8cfe...