CVE-2023-53537 — Use After Free in Linux
Severity
7.8HIGHNVD
EPSS
0.0%
top 96.97%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedOct 4
Description
In the Linux kernel, the following vulnerability has been resolved:
f2fs: fix to avoid use-after-free for cached IPU bio
xfstest generic/019 reports a bug:
kernel BUG at mm/filemap.c:1619!
RIP: 0010:folio_end_writeback+0x8a/0x90
Call Trace:
end_page_writeback+0x1c/0x60
f2fs_write_end_io+0x199/0x420
bio_endio+0x104/0x180
submit_bio_noacct+0xa5/0x510
submit_bio+0x48/0x80
f2fs_submit_write_bio+0x35/0x300
f2fs_submit_merged_ipu_write+0x2a0/0x2b0
f2fs_write_single_data_page+0x838/0x8b0
f2fs_write_…
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HExploitability: 1.8 | Impact: 5.9
Affected Packages4 packages
▶CVEListV5linux/linux0b20fcec8651569935a10afe03fedc0b812d044e — b2f423fda64fb49213aa0ed5056079cf295a5df2+6
Patches
🔴Vulnerability Details
2OSV▶
CVE-2023-53537: In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to avoid use-after-free for cached IPU bio xfstest generic/019 reports a↗2025-10-04
GHSA▶
GHSA-f8rh-5cg2-mcj8: In the Linux kernel, the following vulnerability has been resolved:
f2fs: fix to avoid use-after-free for cached IPU bio
xfstest generic/019 reports↗2025-10-04