CVE-2023-52893

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.

The following products are affected by CVE-2023-52893 vulnerability.

Here, you will find a curated list of external links that provide in-depth information to CVE-2023-52893.

URL	Resource
https://git.kernel.org/stable/c/32313c11bdc8a02c577abaf865be3664ab30410a
https://git.kernel.org/stable/c/6646d769fdb0ce4318ef9afd127f8526d1ca8393
https://git.kernel.org/stable/c/a769b05eeed7accc4019a1ed9799dd72067f1ce8
https://git.kernel.org/stable/c/ae2a9dcc8caa60b1e14671294e5ec902ea5d1dfd
https://git.kernel.org/stable/c/eb0421d90f916dffe96b4c049ddf01c0c50620d2
https://git.kernel.org/stable/c/ee5763ef829bd923033510de6d1df7c73f085e4b
https://git.kernel.org/stable/c/ffef77794fb5f1245c3249b86342bad2299accb5
https://lore.kernel.org/linux-cve-announce/2024082111-CVE-2023-52893-02b9@gregkh/T
https://nvd.nist.gov/vuln/detail/CVE-2023-52893
https://www.cve.org/CVERecord?id=CVE-2023-52893