CVE-2025-39962
rxrpc: Fix untrusted unsigned subtract
CVSS Score
0.0
EPSS Score
0.0%
EPSS Percentile
0th
In the Linux kernel, the following vulnerability has been resolved: rxrpc: Fix untrusted unsigned subtract Fix the following Smatch static checker warning: net/rxrpc/rxgk_app.c:65 rxgk_yfs_decode_ticket() warn: untrusted unsigned subtract. 'ticket_len - 10 * 4' by prechecking the length of what we're trying to extract in two places in the token and decoding for a response packet. Also use sizeof() on the struct we're extracting rather specifying the size numerically to be consistent with the other related statements.
| Vendor | linux |
| Product | linux |
| Ecosystems | |
| Industries | Technology |
| Published | Oct 9, 2025 |
| Last Updated | May 11, 2026 |
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Affected Versions
Linux / Linux
9d1d2b59341f58126a69b51f9f5f8ccb9f12e54a < 71571e187106631a8127f2dde780f35caa358d33 9d1d2b59341f58126a69b51f9f5f8ccb9f12e54a < 2429a197648178cd4dc930a9d87c13c547460564
Linux / Linux
6.16