CVE-2023-52492

dmaengine: fix NULL pointer in channel unregistration function

References

Notes

 carnil> Introduced in d2fb0a043838 ("dmaengine: break out channel registration").
 carnil> Vulnerable versions: 5.6-rc1.

Bugs

Status

Branch Status
4.19-buster-security N/A "Vulnerable code not present"
4.19-upstream-stable N/A "Vulnerable code not present"
5.10-bullseye-security released (5.10.216-1)
5.10-upstream-stable released (5.10.210) [9de69732dde4e443c1c7f89acbbed2c45a6a8e17]
6.1-bookworm-security released (6.1.76-1)
6.1-upstream-stable released (6.1.76) [2ab32986a0b9e329eb7f8f04dd57cc127f797c08]
6.6-upstream-stable released (6.6.15) [7f0ccfad2031eddcc510caf4e57f2d4aa2d8a50b]
6.8-upstream-stable N/A "Fixed before branching point"
sid released (6.6.15-1)
upstream released (6.8-rc1) [f5c24d94512f1b288262beda4d3dcb9629222fc7]