SB2024060494 - Out-of-bounds read in Linux kernel scsi libfc driver
Published: June 4, 2024 Updated: May 13, 2025
Security Bulletin ID
SB2024060494
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) Out-of-bounds read (CVE-ID: CVE-2021-47308)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to an out-of-bounds read error within the fc_rport_prli_resp() function in drivers/scsi/libfc/fc_rport.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/44651522941c623e20882b3b443f23f77de1ea8b
- https://git.kernel.org/stable/c/4921b1618045ffab71b1050bf0014df3313a2289
- https://git.kernel.org/stable/c/0fe70c15f9435bb3c50954778245d62ee38b0e03
- https://git.kernel.org/stable/c/a4a54c54af2516caa9c145015844543cfc84316a
- https://git.kernel.org/stable/c/8511293e643a18b248510ae5734e4f360754348c
- https://git.kernel.org/stable/c/b27c4577557045f1ab3cdfeabfc7f3cd24aca1fe
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.241
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.199
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.53
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.13.5
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.14
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.135