CVE-2026-80564

Published: Ago 26, 2026 Last Modified: Ago 26, 2026
ExploitDB:
Other exploit source:
Google Dorks:

Description

AI Translation Available

In the Linux kernel, the following vulnerability has been resolved:

gve: fix NULL dereference due to missing ptp adjfine

Fix NULL dereference due to missing implementation of adjfine, which can
be triggered from usermode as follows:

sudo ./testptp -d /dev/ptp0 -f 0
[ 551.943697] BUG: kernel NULL pointer dereference, address: 0000000000000000
[...]
[ 552.061946] Call Trace:
[ 552.064487] <TASK>
[ 552.066681] ptp_clock_adjtime+0x1c0/0x2c0
[ 552.070874] ? get_clock_desc+0x6b/0xb0
[ 552.074825] pc_clock_adjtime+0x78/0xc0
[ 552.078755] __do_sys_clock_adjtime+0x85/0x110
[ 552.083293] do_syscall_64+0xea/0x610

https://git.kernel.org/stable/c/3992ced109c70b771efad9e51ae…
https://git.kernel.org/stable/c/3992ced109c70b771efad9e51ae68e5c7a04dea3
https://git.kernel.org/stable/c/e9482feeed66d4bc80545863101…
https://git.kernel.org/stable/c/e9482feeed66d4bc805458631013e9b61b1a9eaf
https://git.kernel.org/stable/c/fa9b991bf678dd412dc0ed08067…
https://git.kernel.org/stable/c/fa9b991bf678dd412dc0ed080672d34d7558d7af