CVE-2024-27028: spi: spi-mt65xx: Fix NULL pointer access in interrupt handler
First published: Wed May 01 2024(Updated: )
In the Linux kernel, the following vulnerability has been resolved: spi: spi-mt65xx: Fix NULL pointer access in interrupt handler The TX buffer in spi_transfer can be a NULL pointer, so the interrupt handler may end up writing to the invalid memory and cause crashes. Add a check to trans->tx_buf before using it.
Credit: 416baaa9-dc9f-4396-8d5f-8c081fb06d67 416baaa9-dc9f-4396-8d5f-8c081fb06d67
| Affected Software | Affected Version | How to fix |
|---|---|---|
| debian/linux | 5.10.223-1 5.10.226-1 6.1.123-1 6.1.119-1 6.12.10-1 6.12.11-1 |
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Reference Links
- https://git.kernel.org/stable/c/1784053cf10a14c4ebd8a890bad5cfe1bee51713
- https://git.kernel.org/stable/c/2342b05ec5342a519e00524a507f7a6ea6791a38
- https://git.kernel.org/stable/c/55f8ea6731aa64871ee6aef7dba53ee9f9f3b2f6
- https://git.kernel.org/stable/c/62b1f837b15cf3ec2835724bdf8577e47d14c753
- https://git.kernel.org/stable/c/766ec94cc57492eab97cbbf1595bd516ab0cb0e4
- https://git.kernel.org/stable/c/a20ad45008a7c82f1184dc6dee280096009ece55
- https://git.kernel.org/stable/c/bcfcdf19698024565eff427706ebbd8df65abd11
- https://git.kernel.org/stable/c/bea82355df9e1c299625405b1947fc9b26b4c6d4
- https://git.kernel.org/stable/c/c10fed329c1c104f375a75ed97ea3abef0786d62
- https://launchpad.net/bugs/cve/CVE-2024-27028
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-27028
- https://nvd.nist.gov/vuln/detail/CVE-2024-27028
- https://security-tracker.debian.org/tracker/CVE-2024-27028
- https://ubuntu.com/security/CVE-2024-27028
- https://git.kernel.org/linus/a20ad45008a7c82f1184dc6dee280096009ece55
Frequently Asked Questions
What is the severity of CVE-2024-27028?
CVE-2024-27028 has a medium severity rating due to the potential for system crashes caused by a NULL pointer dereference in the interrupt handler.
How do I fix CVE-2024-27028?
To fix CVE-2024-27028, you should upgrade to one of the patched kernel versions such as 5.10.223-1, 5.10.226-1, 6.1.123-1, 6.1.119-1, 6.12.10-1, or 6.12.11-1.
Which Linux versions are affected by CVE-2024-27028?
CVE-2024-27028 affects the Linux kernel versions prior to the specified patched versions that contain the fix.
What component of the Linux kernel is impacted by CVE-2024-27028?
CVE-2024-27028 impacts the SPI (Serial Peripheral Interface) component specifically related to the spi-mt65xx driver.
Is CVE-2024-27028 a locally exploitable vulnerability?
CVE-2024-27028 is considered a locally exploitable vulnerability, as it requires access to the system to exploit the NULL pointer dereference.
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