SB20240531200 - Out-of-bounds read in Linux kernel nvmem driver
Published: May 31, 2024 Updated: May 14, 2025
Security Bulletin ID
SB20240531200
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-2021-47497)
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 nvmem_shift_read_buffer_in_place() function in drivers/nvmem/core.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/abcb8d33e4d2215ccde5ab5ccf9f730a59d79d97
- https://git.kernel.org/stable/c/60df06bbdf497e37ed25ad40572c362e5b0998df
- https://git.kernel.org/stable/c/2df6c023050205c4d04ffc121bc549f65cb8d1df
- https://git.kernel.org/stable/c/eb0fc8e7170e61eaf65d28dee4a8baf4e86b19ca
- https://git.kernel.org/stable/c/0594f1d048d8dc338eb9a240021b1d00ae1eb082
- https://git.kernel.org/stable/c/57e48886401b14cd351423fabfec2cfd18df4f66
- https://git.kernel.org/stable/c/0e822e5413da1af28cca350cb1cb42b6133bdcae
- https://git.kernel.org/stable/c/5d388fa01fa6eb310ac023a363a6cb216d9d8fe9
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.252
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.213
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.4.290
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.288
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.75
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.14.14
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.155