UBUNTU-CVE-2025-40299
In the Linux kernel, the following vulnerability has been resolved: gve: Implement gettimex64 with -EOPNOTSUPP gve implemented a ptp_clock for sole use of do_aux_work at this time. ptp_clock_gettime() and ptp_sys_offset() assume every ptp_clock has implemented either gettimex64 or gettime64. Stub gettimex64 and return -EOPNOTSUPP to prevent NULL dereferencing.
02 / AFFECTED SOFTWARE
Affected packages
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11 explicit affected versions
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13 explicit affected versions
43 explicit affected versions
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14 explicit affected versions
4 explicit affected versions
78 explicit affected versions
6 explicit affected versions
11 explicit affected versions
1 explicit affected versions
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
In the Linux kernel, the following vulnerability has been resolved: gve: Implement gettimex64 with -EOPNOTSUPP gve implemented a ptp_clock for sole use of do_aux_work at this time. ptp_clock_gettime() and ptp_sys_offset() assume every ptp_clock has implemented either gettimex64 or gettime64. Stub gettimex64 and return -EOPNOTSUPP to prevent NULL dereferencing.
05 / REFERENCES
Further evidence
- https://git.kernel.org/linus/6ab753b5d8e521616cd9bd10b09891cbeb7e0235
- https://git.kernel.org/stable/c/6ab753b5d8e521616cd9bd10b09891cbeb7e0235
- https://git.kernel.org/stable/c/96ec90412ceb58c73fd3714e40ab2cee1eedac3b
- https://ubuntu.com/security/CVE-2025-40299
- https://ubuntu.com/security/notices/USN-8029-1
- https://ubuntu.com/security/notices/USN-8029-2
- https://ubuntu.com/security/notices/USN-8029-3
- https://ubuntu.com/security/notices/USN-8030-1
- https://ubuntu.com/security/notices/USN-8048-1
- https://www.cve.org/CVERecord?id=CVE-2025-40299