CVE-2023-52893
Last modified
CVE-2023-52893 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. In the Linux kernel, the following vulnerability has been resolved: gsmi: fix null-deref in gsmi_get_variable We can get EFI variables without fetching the attribute, so we must allow for that in gsmi. commit 859748255b43 ("efi: pstore: Omit efivars caching EFI varstore access layer") added a new get_variable call with attr=NULL, which triggers panic in gsmi.. EPSS estimates a 0.24% chance of exploitation in the next 30 days.
Description
In the Linux kernel, the following vulnerability has been resolved: gsmi: fix null-deref in gsmi_get_variable We can get EFI variables without fetching the attribute, so we must allow for that in gsmi. commit 859748255b43 ("efi: pstore: Omit efivars caching EFI varstore access layer") added a new get_variable call with attr=NULL, which triggers panic in gsmi.
Metrics
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions | Update |
|---|---|---|---|
| Linux | Linux Kernel | >= 3.0, < 4.14.304 | — |
| Linux | Linux Kernel | >= 4.15, < 4.19.271 | — |
| Linux | Linux Kernel | >= 4.20, < 5.4.230 | — |
| Linux | Linux Kernel | >= 5.5, < 5.10.165 | — |
| Linux | Linux Kernel | >= 5.11, < 5.15.90 | — |
| Linux | Linux Kernel | >= 5.16, < 6.1.8 | — |
| Linux | Linux Kernel | 6.2 | Rc1 |
References
Timeline
- Published
- Last Modified
- Status
- Analyzed
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