A race problem was seen in the vt_k_ioctl in drivers/tty/vt/vt_ioctl.c in the Linux kernel, which may cause an out of bounds read in vt as the write access to vc_mode is not protected by lock-in vt_ioctl (KDSETMDE). The highest threat from this vulnerability is to data confidentiality.
Platform | Package | Release Date | Advisory |
---|---|---|---|
Amazon Linux 1 | kernel | 2021-09-30 19:25 | ALAS-2021-1539 |
Amazon Linux 2 - Core | kernel | 2021-09-08 23:35 | ALAS2-2021-1704 |
Amazon Linux 2 - Kernel-5.10 Extra | kernel | 2022-01-20 23:50 | ALAS2KERNEL-5.10-2022-005 |
Amazon Linux 2 - Kernel-5.4 Extra | kernel | 2022-01-20 19:05 | ALAS2KERNEL-5.4-2022-007 |
Amazon Linux 2 - Microvm-kernel-4.14 Extra | microvm-kernel | 2023-09-14 04:27 | ALAS2MICROVM-KERNEL-4.14-2023-003 |
Amazon Linux 2 - Microvm-kernel-4.14 Extra | microvm-kernel | 2023-09-14 04:27 | ALAS2MICROVM-KERNEL-4.14-2023-002 |
Score Type | Score | Vector | |
---|---|---|---|
Amazon Linux | CVSSv3 | 4.7 | CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N |
NVD | CVSSv3 | 4.7 | CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N |
NVD | CVSSv2 | 1.9 | AV:L/AC:M/Au:N/C:P/I:N/A:N |