The kernfs_xread function in kernfs in NetBSD 1.6 through 2.1, and OpenBSD 3.8, does not properly validate file offsets against negative 32-bit values that occur as a result of truncation, which allows local users to read arbitrary kernel memory and gain privileges via the lseek system call.
2006-01-09T23:03:00.000
2025-04-03T01:03:51.193
Deferred
CVSSv2: 4.6 (MEDIUM)
AV:L/AC:L/Au:N/C:P/I:P/A:P
3.9
6.4
Type | Vendor | Product | Version/Range | Vulnerable? |
---|---|---|---|---|
Operating System | netbsd | netbsd | 1.6 | Yes |
Operating System | netbsd | netbsd | 1.6 | Yes |
Operating System | netbsd | netbsd | 1.6.1 | Yes |
Operating System | netbsd | netbsd | 1.6.2 | Yes |
Operating System | netbsd | netbsd | 2.0 | Yes |
Operating System | netbsd | netbsd | 2.0.1 | Yes |
Operating System | netbsd | netbsd | 2.0.2 | Yes |
Operating System | netbsd | netbsd | 2.0.3 | Yes |
Operating System | netbsd | netbsd | 2.1 | Yes |