fs/proc/base.c in the Linux kernel before 2.6.39.4 does not properly restrict access to /proc/#####/io files, which allows local users to obtain sensitive I/O statistics by polling a file, as demonstrated by discovering the length of another user's password.
2012-06-13T10:24:55.827
2025-04-11T00:51:21.963
Deferred
CVSSv2: 2.1 (LOW)
AV:L/AC:L/Au:N/C:P/I:N/A:N
3.9
2.9
Type | Vendor | Product | Version/Range | Vulnerable? |
---|---|---|---|---|
Operating System | linux | linux_kernel | ≤ 2.6.39.3 | Yes |
Operating System | linux | linux_kernel | 2.6.39 | Yes |
Operating System | linux | linux_kernel | 2.6.39 | Yes |
Operating System | linux | linux_kernel | 2.6.39 | Yes |
Operating System | linux | linux_kernel | 2.6.39 | Yes |
Operating System | linux | linux_kernel | 2.6.39 | Yes |
Operating System | linux | linux_kernel | 2.6.39 | Yes |
Operating System | linux | linux_kernel | 2.6.39 | Yes |
Operating System | linux | linux_kernel | 2.6.39 | Yes |
Operating System | linux | linux_kernel | 2.6.39.1 | Yes |
Operating System | linux | linux_kernel | 2.6.39.2 | Yes |