CVE-2024-56746: fbdev: sh7760fb: Fix a possible memory leak in sh7760fb_alloc_mem()
First published: Sun Dec 29 2024(Updated: )
In the Linux kernel, the following vulnerability has been resolved: fbdev: sh7760fb: Fix a possible memory leak in sh7760fb_alloc_mem() When information such as info->screen_base is not ready, calling sh7760fb_free_mem() does not release memory correctly. Call dma_free_coherent() instead.
Credit: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Linux Kernel | >=2.6.27<4.19.325 | |
| Linux Kernel | >=4.20<5.4.287 | |
| Linux Kernel | >=5.5<5.10.231 | |
| Linux Kernel | >=5.11<5.15.174 | |
| Linux Kernel | >=5.16<6.1.120 | |
| Linux Kernel | >=6.2<6.6.64 | |
| Linux Kernel | >=6.7<6.11.11 | |
| Linux Kernel | >=6.12<6.12.2 |
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Reference Links
- https://git.kernel.org/stable/c/0d3fb3b3e9d66f7b6346e3b90bc0ff48683539ce
- https://git.kernel.org/stable/c/d48cbfa90dce506030151915fa3346d67f964af4
- https://git.kernel.org/stable/c/29216bb390e36daeebef66abaa02d9751330252b
- https://git.kernel.org/stable/c/f4fbd70e15fafe36a7583954ce189aaf5536aeec
- https://git.kernel.org/stable/c/40f4326ed05a3b3537556ff2a844958b9e779a98
- https://git.kernel.org/stable/c/3dd9df8e5f34c6fc4217a7498c1fb3c352d4afc2
- https://git.kernel.org/stable/c/d10cd53e5a7fb3b7c6f83d4d9a5ea1d97a3ed9a5
- https://git.kernel.org/stable/c/bad37309c8b8bf1cfc893750df0951a804009ca0
- https://git.kernel.org/stable/c/f89d17ae2ac42931be2a0153fecbf8533280c927
Frequently Asked Questions
What is the severity of CVE-2024-56746?
CVE-2024-56746 has a medium severity rating due to the potential risk of memory leaks in the Linux kernel.
How do I fix CVE-2024-56746?
To fix CVE-2024-56746, ensure you update your Linux kernel to a version that is patched for this vulnerability.
Which versions of the Linux kernel are affected by CVE-2024-56746?
CVE-2024-56746 affects multiple versions of the Linux kernel including versions between 2.6.27 to 4.19.325, and others up to version 6.12.
What impact does CVE-2024-56746 have on system performance?
CVE-2024-56746 may lead to degraded system performance due to memory not being released effectively.
Is CVE-2024-56746 exploit-related?
As of now, there are no known exploits related to CVE-2024-56746 in the wild, but it is recommended to apply patches to mitigate risk.
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