SB20241022264 - Buffer overflow in Linux kernel efi libstub driver
Published: October 22, 2024 Updated: May 12, 2025
Security Bulletin ID
SB20241022264
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Buffer overflow (CVE-ID: CVE-2024-49858)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory corruption within the efi_retrieve_tpm2_eventlog() function in drivers/firmware/efi/libstub/tpm.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/f76b69ab9cf04358266e3cea5748c0c2791fbb08
- https://git.kernel.org/stable/c/11690d7e76842f29b60fbb5b35bc97d206ea0e83
- https://git.kernel.org/stable/c/5b22c038fb2757c652642933de5664da471f8cb7
- https://git.kernel.org/stable/c/19fd2f2c5fb36b61506d3208474bfd8fdf1cada3
- https://git.kernel.org/stable/c/38d9b07d99b789efb6d8dda21f1aaad636c38993
- https://git.kernel.org/stable/c/2e6871a632a99d9b9e2ce3a7847acabe99e5a26e
- https://git.kernel.org/stable/c/77d48d39e99170b528e4f2e9fc5d1d64cdedd386
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.227
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.168
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.113
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.10.13
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.11.2
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.12
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.54