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THREATINT
PUBLISHED

CVE-2024-27047

net: phy: fix phy_get_internal_delay accessing an empty array

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

Description

In the Linux kernel, the following vulnerability has been resolved: net: phy: fix phy_get_internal_delay accessing an empty array The phy_get_internal_delay function could try to access to an empty array in the case that the driver is calling phy_get_internal_delay without defining delay_values and rx-internal-delay-ps or tx-internal-delay-ps is defined to 0 in the device-tree. This will lead to "unable to handle kernel NULL pointer dereference at virtual address 0". To avoid this kernel oops, the test should be delay >= 0. As there is already delay < 0 test just before, the test could only be size == 0.

Product status

Default status
unaffected

92252eec913b before 06dd21045a7e
affected

92252eec913b before 0e939a002c8a
affected

92252eec913b before 2a2ff7095116
affected

92252eec913b before 589ec16174dd
affected

92252eec913b before c0691de7df1d
affected

92252eec913b before 0307cf443308
affected

92252eec913b before 4469c0c5b14a
affected

Default status
affected

5.9
affected

Any version before 5.9
unaffected

5.10.214
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/06dd21045a7e8bc8701b0ebedcd9a30a6325878b

https://git.kernel.org/stable/c/0e939a002c8a7d66e60bd0ea6b281fb39d713c1a

https://git.kernel.org/stable/c/2a2ff709511617de9c6c072eeee82bcbbdfecaf8

https://git.kernel.org/stable/c/589ec16174dd9378953b8232ae76fad0a96e1563

https://git.kernel.org/stable/c/c0691de7df1d51482a52cac93b7fe82fd9dd296b

https://git.kernel.org/stable/c/0307cf443308ecc6be9b2ca312bb31bae5e5a7ad

https://git.kernel.org/stable/c/4469c0c5b14a0919f5965c7ceac96b523eb57b79

cve.org CVE-2024-27047

nvd.nist.gov CVE-2024-27047

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