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PUBLISHED

CVE-2024-27037

clk: zynq: Prevent null pointer dereference caused by kmalloc failure

Reserved:2024-02-19
Published:2024-05-01
Updated:2024-05-13

Description

In the Linux kernel, the following vulnerability has been resolved: clk: zynq: Prevent null pointer dereference caused by kmalloc failure The kmalloc() in zynq_clk_setup() will return null if the physical memory has run out. As a result, if we use snprintf() to write data to the null address, the null pointer dereference bug will happen. This patch uses a stack variable to replace the kmalloc().

Product status

Default status
unaffected

0ee52b157b8e before 01511ac7be8e
affected

0ee52b157b8e before 8c4889a9ea86
affected

0ee52b157b8e before 0801c893fd48
affected

0ee52b157b8e before ca976c6a592f
affected

0ee52b157b8e before 58a946ab4350
affected

0ee52b157b8e before 7938e9ce39d6
affected

Default status
affected

3.11
affected

Any version before 3.11
unaffected

5.15.153
unaffected

6.1.83
unaffected

6.6.23
unaffected

6.7.11
unaffected

6.8.2
unaffected

6.9
unaffected

References

https://git.kernel.org/stable/c/01511ac7be8e45f80e637f6bf61af2d3d2dee9db

https://git.kernel.org/stable/c/8c4889a9ea861d7be37463c10846eb75e1b49c9d

https://git.kernel.org/stable/c/0801c893fd48cdba66a3c8f44c3fe43cc67d3b85

https://git.kernel.org/stable/c/ca976c6a592f789700200069ef9052493c0b73d8

https://git.kernel.org/stable/c/58a946ab43501f2eba058d24d96af0ad1122475b

https://git.kernel.org/stable/c/7938e9ce39d6779d2f85d822cc930f73420e54a6

cve.org CVE-2024-27037

nvd.nist.gov CVE-2024-27037

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