CVE-2023-3567
High
Description
A use-after-free flaw was found in vcs_read in drivers/tty/vt/vc_screen.c in vc_screen in the Linux Kernel. This issue may allow an attacker with local user access to cause a system crash or leak internal kernel information.
SeverityHigh
CVSS7.1
Exploit probability—
Product
Linux Kernel
PublishedJul 24, 2023
First seenJul 24, 2023
Weakness typeCWE-416Use after free
How to fix
Update
- linux linux_kernel6.2.0 or later
Vendor advisories
- access.redhat.com/errata/RHSA-2024:0412
- access.redhat.com/errata/RHSA-2024:0431
- access.redhat.com/errata/RHSA-2024:0432
- access.redhat.com/errata/RHSA-2024:0439
- access.redhat.com/errata/RHSA-2024:0448
- access.redhat.com/errata/RHSA-2024:0575
- access.redhat.com/errata/RHSA-2024:2394
- access.redhat.com/errata/RHSA-2024:2950
- access.redhat.com/errata/RHSA-2024:3138
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| linux linux_kernel | v < 6.2.0, 6.2.0 | 6.2.0 |
| redhat enterprise_linux | 8.0, 9.0 | — |
| canonical ubuntu_linux | 14.04, 16.04, 18.04, 20.04, 22.04 | — |
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