CVE-2026-64217
netfs: Fix overrun check in netfs_extract_user_iter()
CVSS Score
0.0
EPSS Score
0.0%
EPSS Percentile
0th
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.
| Vendor | linux |
| Product | linux |
| Ecosystems | |
| Industries | Technology |
| Published | Jul 24, 2026 |
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Affected Versions
Linux / Linux
85dd2c8ff368b1446be9febde84afe1d7aec4261 < 00efe58bbdcc93272d579ca24bfc912563f4a204 85dd2c8ff368b1446be9febde84afe1d7aec4261 < 96cc3beb2390ba9f9c128c5733c0ccfe450dd4f9 85dd2c8ff368b1446be9febde84afe1d7aec4261 < afeb32d9bf9aaeea51d0f723a19f14afb73bd94d 85dd2c8ff368b1446be9febde84afe1d7aec4261 < f48b9157f0f611fa436c360648603d5ded719b12 85dd2c8ff368b1446be9febde84afe1d7aec4261 < 0ef37eef83fad3542ee06db2940433ae1a92b39d
Linux / Linux
6.3
References
git.kernel.org: https://git.kernel.org/stable/c/00efe58bbdcc93272d579ca24bfc912563f4a204 git.kernel.org: https://git.kernel.org/stable/c/96cc3beb2390ba9f9c128c5733c0ccfe450dd4f9 git.kernel.org: https://git.kernel.org/stable/c/afeb32d9bf9aaeea51d0f723a19f14afb73bd94d git.kernel.org: https://git.kernel.org/stable/c/f48b9157f0f611fa436c360648603d5ded719b12 git.kernel.org: https://git.kernel.org/stable/c/0ef37eef83fad3542ee06db2940433ae1a92b39d