Description
In the Linux kernel, the following vulnerability has been resolved: drm/bridge: samsung-dsim: Fix memory leak in error path In samsung_dsim_host_attach(), drm_bridge_add() is called to add the bridge. However, if samsung_dsim_register_te_irq() or pdata->host_ops->attach() fails afterwards, the function returns without removing the bridge, causing a memory leak. Fix this by adding proper error handling with goto labels to ensure drm_bridge_remove() is called in all error paths. Also ensure that samsung_dsim_unregister_te_irq() is called if the attach operation fails after the TE IRQ has been registered. samsung_dsim_unregister_te_irq() function is moved without changes to be before samsung_dsim_host_attach() to avoid forward declaration.
Product status
e7447128ca4a250374d6721ee98e3e3cf99551a6 (git) before 98310fe3a2a79671b739a5344c1a11d74c503e25
e7447128ca4a250374d6721ee98e3e3cf99551a6 (git) before 0b07f7d2c5a4078c2f1c11bb36685084fe4e5c95
e7447128ca4a250374d6721ee98e3e3cf99551a6 (git) before e6d779654cda63d632bd8dfcdcabd125057e30a5
e7447128ca4a250374d6721ee98e3e3cf99551a6 (git) before a40b92fb4b26d4cb1b5e439e55a56db7e79a82d1
e7447128ca4a250374d6721ee98e3e3cf99551a6 (git) before 803ec1faf7c1823e6e3b1f2aaa81be18528c9436
6.4
Any version before 6.4
6.6.130 (semver)
6.12.78 (semver)
6.18.19 (semver)
6.19.9 (semver)
7.0 (original_commit_for_fix)
References
git.kernel.org/...c/98310fe3a2a79671b739a5344c1a11d74c503e25
git.kernel.org/...c/0b07f7d2c5a4078c2f1c11bb36685084fe4e5c95
git.kernel.org/...c/e6d779654cda63d632bd8dfcdcabd125057e30a5
git.kernel.org/...c/a40b92fb4b26d4cb1b5e439e55a56db7e79a82d1
git.kernel.org/...c/803ec1faf7c1823e6e3b1f2aaa81be18528c9436