CVE-2024-50292

Description

In the Linux kernel, the following vulnerability has been resolved: ASoC: stm32: spdifrx: fix dma channel release in stm32_spdifrx_remove In case of error when requesting ctrl_chan DMA channel, ctrl_chan is not null. So the release of the dma channel leads to the following issue: [ 4.879000] st,stm32-spdifrx 500d0000.audio-controller: dma_request_slave_channel error -19 [ 4.888975] Unable to handle kernel NULL pointer dereference at virtual address 000000000000003d [...] [ 5.096577] Call trace: [ 5.099099] dma_release_channel+0x24/0x100 [ 5.103235] stm32_spdifrx_remove+0x24/0x60 [snd_soc_stm32_spdifrx] [ 5.109494] stm32_spdifrx_probe+0x320/0x4c4 [snd_soc_stm32_spdifrx] To avoid this issue, release channel only if the pointer is valid.

Reserved 2024-10-21 | Published 2024-11-19 | Updated 2024-11-19 | Assigner Linux

Product status

Default status
unaffected

794df9448edb before 3a977b554f66
affected

794df9448edb before 0d75f887aabd
affected

794df9448edb before 4f1d74f74752
affected

794df9448edb before 23bdbd1ef3e0
affected

794df9448edb before 22ae9321054c
affected

794df9448edb before 9bb4af400c38
affected

Default status
affected

5.7
affected

Any version before 5.7
unaffected

5.10.230
unaffected

5.15.172
unaffected

6.1.117
unaffected

6.6.61
unaffected

6.11.8
unaffected

6.12
unaffected

References

git.kernel.org/...c/3a977b554f668382dfba31fd62e4cce4fe5643db

git.kernel.org/...c/0d75f887aabd80cf37ea48d28f159afa7850ea28

git.kernel.org/...c/4f1d74f74752eab8af6b8b28797dc6490d57374c

git.kernel.org/...c/23bdbd1ef3e063e03d3c50c15a591b005ebbae39

git.kernel.org/...c/22ae9321054cf7f36c537702af133659f51a0b88

git.kernel.org/...c/9bb4af400c386374ab1047df44c508512c08c31f

cve.org (CVE-2024-50292)

nvd.nist.gov (CVE-2024-50292)

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