CVE-2023-54192
Severity CVSS v4.0:
Pending analysis
Type:
Unavailable / Other
Publication date:
30/12/2025
Last modified:
31/12/2025
Description
In the Linux kernel, the following vulnerability has been resolved:<br />
<br />
f2fs: fix null pointer panic in tracepoint in __replace_atomic_write_block<br />
<br />
We got a kernel panic if old_addr is NULL.<br />
<br />
https://bugzilla.kernel.org/show_bug.cgi?id=217266<br />
<br />
BUG: kernel NULL pointer dereference, address: 0000000000000000<br />
Call Trace:<br />
<br />
f2fs_commit_atomic_write+0x619/0x990 [f2fs a1b985b80f5babd6f3ea778384908880812bfa43]<br />
__f2fs_ioctl+0xd8e/0x4080 [f2fs a1b985b80f5babd6f3ea778384908880812bfa43]<br />
? vfs_write+0x2ae/0x3f0<br />
? vfs_write+0x2ae/0x3f0<br />
__x64_sys_ioctl+0x91/0xd0<br />
do_syscall_64+0x5c/0x90<br />
entry_SYSCALL_64_after_hwframe+0x72/0xdc<br />
RIP: 0033:0x7f69095fe53f