CVE-2026-80564
- Source
- https://cve.org/CVERecord?id=CVE-2026-80564
- Import Source
- https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-80564.json
- JSON Data
- https://api.osv.dev/v1/vulns/CVE-2026-80564
- Downstream
- Published
- 2026-08-26T14:37:28.351Z
- Modified
- 2026-08-28T11:48:23.508038573Z
- Summary
- gve: fix NULL dereference due to missing ptp adjfine
- Details
-
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] ptpclockadjtime+0x1c0/0x2c0 [ 552.070874] ? getclockdesc+0x6b/0xb0 [ 552.074825] pcclockadjtime+0x78/0xc0 [ 552.078755] _dosysclockadjtime+0x85/0x110 [ 552.083293] dosyscall64+0xea/0x610
- Database specific
{ "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/80xxx/CVE-2026-80564.json", "cna_assigner": "Linux" }- References
-
- https://git.kernel.org/stable/c/3992ced109c70b771efad9e51ae68e5c7a04dea3
- https://git.kernel.org/stable/c/e9482feeed66d4bc805458631013e9b61b1a9eaf
- https://git.kernel.org/stable/c/fa9b991bf678dd412dc0ed080672d34d7558d7af
- https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/80xxx/CVE-2026-80564.json
- https://nvd.nist.gov/vuln/detail/CVE-2026-80564
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git