Description (CNA)
In the Linux kernel, the following vulnerability has been resolved: dm-pcache: bound the persisted tail-position offset cache_pos_decode() takes the persisted key_tail and dirty_tail seg_off from the cache device and addresses within the segment with it. A seg_off at or past the segment data_size, controllable by whoever supplies the device (CAP_SYS_ADMIN), reads past the segment data. Reject a decoded seg_off that is not below the segment data_size.
Affected (CNA)
| Vendor / product | Versions |
|---|---|
| Linux / Linux | affected 1d57628ff95b32d5cfa8d8f50e07690c161e9cf0 before ffd9a214a94f9928e54856f42b1cc3e33fb10e36; affected 1d57628ff95b32d5cfa8d8f50e07690c161e9cf0 before 8bf7a06ca3c1611809725f58cfd573f2ffbda75f; affected 1d57628ff95b32d5cfa8d8f50e07690c161e9cf0 before d1898576090a10d2ac2715218a652e78fb65a6b0 |
| Linux / Linux | affected 6.18; unaffected 0 before 6.18; unaffected 6.18.50 through 6.18.*; unaffected 7.2.4 through 7.2.*; unaffected 7.3 through * |
CWE
No CWE identifiers supplied.