Use-after-free in Linux kernel - CVE-2024-46800
Published: September 18, 2024 / Updated: May 12, 2025
Vulnerability identifier: #VU97501
CSH Severity: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2024-46800
CWE-ID: CWE-416
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerable software:
Linux kernel
Linux kernel
Software vendor:
Linux Foundation
Linux Foundation
Description
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the qdisc_enqueue() function in net/sched/sch_netem.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's website.
External links
- https://git.kernel.org/stable/c/f0bddb4de043399f16d1969dad5ee5b984a64e7b
- https://git.kernel.org/stable/c/295ad5afd9efc5f67b86c64fce28fb94e26dc4c9
- https://git.kernel.org/stable/c/98c75d76187944296068d685dfd8a1e9fd8c4fdc
- https://git.kernel.org/stable/c/14f91ab8d391f249b845916820a56f42cf747241
- https://git.kernel.org/stable/c/db2c235682913a63054e741fe4e19645fdf2d68e
- https://git.kernel.org/stable/c/dde33a9d0b80aae0c69594d1f462515d7ff1cb3d
- https://git.kernel.org/stable/c/32008ab989ddcff1a485fa2b4906234c25dc5cd6
- https://git.kernel.org/stable/c/3b3a2a9c6349e25a025d2330f479bc33a6ccb54a
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.322
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.226
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.167
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.284
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.110
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.10.10
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.11
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.51