CVE-2024-43832

MEDIUM

Linux Kernel 5.7-6.1.102, 6.2-6.6.43, 6.7-6.10.2 - Use-After-Free in folio_wait_writeback

Title source: llm
STIX 2.1

Description

In the Linux kernel, the following vulnerability has been resolved: s390/uv: Don't call folio_wait_writeback() without a folio reference folio_wait_writeback() requires that no spinlocks are held and that a folio reference is held, as documented. After we dropped the PTL, the folio could get freed concurrently. So grab a temporary reference.

References (5)

Core 5

Scores

CVSS v3 5.5
EPSS 0.0022
EPSS Percentile 13.3%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

Status published
Products (14)
linux/Kernel 5.7.0 - 6.1.103linux
linux/Kernel 6.2.0 - 6.6.44linux
linux/Kernel 6.7.0 - 6.10.3linux
Linux/Linux < 5.7
Linux/Linux 214d9bbcd3a67230b932f6cea83c078ab34d9e70 - 1a1eb2f3fc453dcd52726d13e863938561489cb7
Linux/Linux 214d9bbcd3a67230b932f6cea83c078ab34d9e70 - 3f29f6537f54d74e64bac0a390fb2e26da25800d
Linux/Linux 214d9bbcd3a67230b932f6cea83c078ab34d9e70 - 8736604ef53359a718c246087cd21dcec232d2fb
Linux/Linux 214d9bbcd3a67230b932f6cea83c078ab34d9e70 - b21aba72aadd94bdac275deab021fc84d6c72b16
Linux/Linux 5.7
Linux/Linux 6.1.103 - 6.1.*
... and 4 more
Published Aug 17, 2024
Tracked Since Feb 18, 2026