CVE-2026-80564
Description
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
How to fix
- Linux Linuxe9482feeed66d4bc805458631013e9b61b1a9eaf, fa9b991bf678dd412dc0ed080672d34d7558d7af, 3992ced109c70b771efad9e51ae68e5c7a04dea3 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Linux Linux | acd16380523b400400523fe54c7499320e558e80 ≤ v < e9482feeed66d4bc805458631013e9b61b1a9eaf, acd16380523b400400523fe54c7499320e558e80 ≤ v < fa9b991bf678dd412dc0ed080672d34d7558d7af, acd16380523b400400523fe54c7499320e558e80 ≤ v < 3992ced109c70b771efad9e51ae68e5c7a04dea3, 6.17 | e9482feeed66d4bc805458631013e9b61b1a9eaf, fa9b991bf678dd412dc0ed080672d34d7558d7af, 3992ced109c70b771efad9e51ae68e5c7a04dea3 |
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Attack Surface Management
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