kernel/ucount.c in the Linux kernel 5.14 through 5.16.4, when unprivileged user namespaces are enabled, allows a use-after-free and privilege escalation because a ucounts object can outlive its namespace.
2022-01-29T22:15:07.487
2024-11-21T06:49:51.177
Modified
CVSSv3.1: 7.8 (HIGH)
AV:L/AC:M/Au:N/C:C/I:C/A:C
3.4
10.0
Type | Vendor | Product | Version/Range | Vulnerable? |
---|---|---|---|---|
Operating System | linux | linux_kernel | < 5.15.19 | Yes |
Operating System | linux | linux_kernel | < 5.16.5 | Yes |
Operating System | netapp | h410c_firmware | - | Yes |
Hardware | netapp | h410c | - | No |
Operating System | netapp | h300s_firmware | - | Yes |
Hardware | netapp | h300s | - | No |
Operating System | netapp | h500s_firmware | - | Yes |
Hardware | netapp | h500s | - | No |
Operating System | netapp | h700s_firmware | - | Yes |
Hardware | netapp | h700s | - | No |
Operating System | netapp | h300e_firmware | - | Yes |
Hardware | netapp | h300e | - | No |
Operating System | netapp | h500e_firmware | - | Yes |
Hardware | netapp | h500e | - | No |
Operating System | netapp | h700e_firmware | - | Yes |
Hardware | netapp | h700e | - | No |
Operating System | netapp | h410s_firmware | - | Yes |
Hardware | netapp | h410s | - | No |
Operating System | fedoraproject | fedora | 34 | Yes |
Operating System | fedoraproject | fedora | 35 | Yes |