CVE-2026-64217
netfs: Fix overrun check in netfs_extract_user_iter()
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Description
In the Linux kernel, the following vulnerability has been resolved: netfs: Fix overrun check in netfs_extract_user_iter() Fix netfs_extract_user_iter() so that if iov_iter_extract_pages() overfills pages[], then those pages don't get included in the iterator constructed at the end of the function. If there was an overfill, memory corruption has already happened.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
- https://git.kernel.org/stable/c/00efe58bbdcc93272d579ca24bfc912563f4a204
- https://git.kernel.org/stable/c/96cc3beb2390ba9f9c128c5733c0ccfe450dd4f9
- https://git.kernel.org/stable/c/afeb32d9bf9aaeea51d0f723a19f14afb73bd94d
- https://git.kernel.org/stable/c/f48b9157f0f611fa436c360648603d5ded719b12
- https://git.kernel.org/stable/c/0ef37eef83fad3542ee06db2940433ae1a92b39d
References (5)
CVSS
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