SB20240603131 - Input validation error in Linux kernel net ppp driver
Published: June 3, 2024 Updated: May 14, 2025
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Input validation error (CVE-ID: CVE-2024-26675)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper input validation within the ppp_async_ioctl() function in drivers/net/ppp/ppp_async.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/4fdb14ba89faff6e6969a4dffdc8e54235d6e5ed
- https://git.kernel.org/stable/c/56fae81633ccee307cfcb032f706bf1863a56982
- https://git.kernel.org/stable/c/b06e067e93fa4b98acfd3a9f38a398ab91bbc58b
- https://git.kernel.org/stable/c/58fbe665b097bf7b3144da7e7b91fb27aa8d0ae3
- https://git.kernel.org/stable/c/4e2c4846b2507f6dfc9bea72b7567c2693a82a16
- https://git.kernel.org/stable/c/7e5ef49670766c9742ffcd9cead7cdb018268719
- https://git.kernel.org/stable/c/210d938f963dddc543b07e66a79b7d8d4bd00bd8
- https://git.kernel.org/stable/c/cb88cb53badb8aeb3955ad6ce80b07b598e310b8
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.307
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.210
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.149
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.269
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.78
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.17
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.7.5
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.8