CVE-2024-26771: dmaengine: ti: edma: Add some null pointer checks to the edma_probe
First published: Wed Apr 03 2024(Updated: )
In the Linux kernel, the following vulnerability has been resolved: dmaengine: ti: edma: Add some null pointer checks to the edma_probe devm_kasprintf() returns a pointer to dynamically allocated memory which can be NULL upon failure. Ensure the allocation was successful by checking the pointer validity.
Credit: 416baaa9-dc9f-4396-8d5f-8c081fb06d67 416baaa9-dc9f-4396-8d5f-8c081fb06d67
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Linux Kernel | <5.10.211 | |
| Linux Kernel | >=5.11<5.15.150 | |
| Linux Kernel | >=5.16<6.1.80 | |
| Linux Kernel | >=6.2<6.6.19 | |
| Linux Kernel | >=6.7<6.7.7 | |
| Linux Kernel | =6.8-rc1 | |
| Linux Kernel | =6.8-rc2 | |
| Debian Debian Linux | =10.0 | |
| debian/linux | 5.10.223-1 5.10.226-1 6.1.123-1 6.1.119-1 6.12.11-1 6.12.12-1 |
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Reference Links
- https://git.kernel.org/stable/c/4fe4e5adc7d29d214c59b59f61db73dec505ca3d
- https://git.kernel.org/stable/c/6e2276203ac9ff10fc76917ec9813c660f627369
- https://git.kernel.org/stable/c/7b24760f3a3c7ae1a176d343136b6c25174b7b27
- https://git.kernel.org/stable/c/9d508c897153ae8dd79303f7f035f078139f6b49
- https://git.kernel.org/stable/c/c432094aa7c9970f2fa10d2305d550d3810657ce
- https://git.kernel.org/stable/c/f2a5e30d1e9a629de6179fa23923a318d5feb29e
- https://launchpad.net/bugs/cve/CVE-2024-26771
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-26771
- https://nvd.nist.gov/vuln/detail/CVE-2024-26771
- https://security-tracker.debian.org/tracker/CVE-2024-26771
- https://ubuntu.com/security/CVE-2024-26771
- https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html
- https://git.kernel.org/linus/6e2276203ac9ff10fc76917ec9813c660f627369
Frequently Asked Questions
What is the severity of CVE-2024-26771?
CVE-2024-26771 is classified as a medium-severity vulnerability in the Linux kernel.
How do I fix CVE-2024-26771?
To fix CVE-2024-26771, upgrade to a patched version of the Linux kernel, such as 5.10.223-1 or higher.
What systems are affected by CVE-2024-26771?
CVE-2024-26771 affects multiple versions of the Linux kernel, specifically those before 5.10.223 and various version ranges from 5.11 to 6.8-rc2.
What does CVE-2024-26771 exploit?
CVE-2024-26771 exploits a null pointer dereference in the DMA engine of the Linux kernel.
Is there a workaround for CVE-2024-26771?
There is no known workaround for CVE-2024-26771; applying the available patches is recommended.
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