Description
In the Linux kernel, the following vulnerability has been resolved: bus: mhi: ep: Update read pointer only after buffer is written Inside mhi_ep_ring_add_element, the read pointer (rd_offset) is updated before the buffer is written, potentially causing race conditions where the host sees an updated read pointer before the buffer is actually written. Updating rd_offset prematurely can lead to the host accessing an uninitialized or incomplete element, resulting in data corruption. Invoke the buffer write before updating rd_offset to ensure the element is fully written before signaling its availability.
Product status
bbdcba57a1a26a4439a4f4ecdbfaf80a10fd8f34 (git) before 44b9620e82bbec2b9a6ac77f63913636d84f96dc
bbdcba57a1a26a4439a4f4ecdbfaf80a10fd8f34 (git) before f704a80d9fa268e51a6cc5242714502c3c1fa605
bbdcba57a1a26a4439a4f4ecdbfaf80a10fd8f34 (git) before 0007ef098dab48f1ba58364c40b4809f1e21b130
bbdcba57a1a26a4439a4f4ecdbfaf80a10fd8f34 (git) before 6f18d174b73d0ceeaa341f46c0986436b3aefc9a
5.19
Any version before 5.19
6.6.95 (semver)
6.12.35 (semver)
6.15.4 (semver)
6.16 (original_commit_for_fix)
References
git.kernel.org/...c/44b9620e82bbec2b9a6ac77f63913636d84f96dc
git.kernel.org/...c/f704a80d9fa268e51a6cc5242714502c3c1fa605
git.kernel.org/...c/0007ef098dab48f1ba58364c40b4809f1e21b130
git.kernel.org/...c/6f18d174b73d0ceeaa341f46c0986436b3aefc9a