CVE-2024-26784
What it is
In the Linux kernel, the following vulnerability has been resolved: pmdomain: arm: Fix NULL dereference on scmi_perf_domain removal On unloading of the scmi_perf_domain module got the below splat, when in the DT provided to the system under test the '#power-domain-cells' property was missing. Indeed, this particular setup causes the probe to bail out early without giving any error, which leads to the ->remove() callback gets to run too, but without all the expected initialized structures in place. Add a check and bail out early on remove too. Call trace: scmi_perf_domain_remove+0x28/0x70 [scmi_perf_domain] scmi_dev_remove+0x28/0x40 [scmi_core] device_remove+0x54/0x90 device_release_driver_internal+0x1dc/0x240 driver_detach+0x58/0xa8 bus_remove_driver+0x78/0x108 driver_unregister+0x38/0x70 scmi_driver_unregister+0x28/0x180 [scmi_core] scmi_perf_domain_driver_exit+0x18/0xb78 [scmi_perf_domain] __arm64_sys_delete_module+0x1a8/0x2c0 invoke_syscall+0x50/0x128 el0_svc_common.constprop.0+0x48/0xf0 do_el0_svc+0x24/0x38 el0_svc+0x34/0xb8 el0t_64_sync_handler+0x100/0x130 el0t_64_sync+0x190/0x198 Code: a90153f3 f9403c14 f9414800 955f8a05 (b9400a80) ---[ end trace 0000000000000000 ]---
At a glance
- Exploitability
- Can be exploited locally on the machine with a low-privilege account. High risk of service disruption.
- Exploit odds
- 0.2% chance of exploitation in the next 30 days (EPSS).
- Fix
- A patch, advisory or fixed version is referenced. Upgrade or apply it.
Timeline
- PublishedDisclosed publicly on CVE.org and NVD
- Last updatedMost recent change to the record
Why it ranks here
- Exploited in the wild: no, CISA does not list it.
- Exploit odds: 0.2% in the next 30 days (EPSS).
- Severity: 5.5 MEDIUM (CVSS).
- Fix: a patch or advisory is linked.
Details
- Published
- Last modified
- Exploit probability
- 0.2% · EPSS, next 30 days
- Weakness
- CWE-476 · NULL pointer dereference
- Record status
- Analyzed
Affected
- Linux Kernel < 6.7.9
- Linux Kernel 6.8
Attack profile CVSS 3.1 · 5.5
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Raw vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Is it in your code?
Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.
Read https://cve-list.com/agent/cve/CVE-2024-26784.md and follow it. Check whether this project is affected by CVE-2024-26784. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.
Fix and advisories
- https://git.kernel.org/stable/c/eb5555d422d0fc325e1574a7353d3c616f82d8b5
- https://git.kernel.org/stable/c/f6aaf131e4d4a9a26040ecc018eb70ab8b3d355d
- https://git.kernel.org/stable/c/eb5555d422d0fc325e1574a7353d3c616f82d8b5
- https://git.kernel.org/stable/c/f6aaf131e4d4a9a26040ecc018eb70ab8b3d355d