Description
In the Linux kernel, the following vulnerability has been resolved: dmaengine: qcom: gpi: Fix memory leak in gpi_peripheral_config() Fix a memory leak in gpi_peripheral_config() where the original memory pointed to by gchan->config could be lost if krealloc() fails. The issue occurs when: 1. gchan->config points to previously allocated memory 2. krealloc() fails and returns NULL 3. The function directly assigns NULL to gchan->config, losing the reference to the original memory 4. The original memory becomes unreachable and cannot be freed Fix this by using a temporary variable to hold the krealloc() result and only updating gchan->config when the allocation succeeds. Found via static analysis and code review.
Product status
5d0c3533a19f48e5e7e73806a3e4b29cd4364130 (git) before 4532f18e4ab36def1f55cd936d0fc002b2ce34c2
5d0c3533a19f48e5e7e73806a3e4b29cd4364130 (git) before 694ab1f6f16cb69f7c5ef2452b22ba7b00a3c7c7
5d0c3533a19f48e5e7e73806a3e4b29cd4364130 (git) before 6bf4ef078fd11910988889a6c0b3698d2e0c89af
5d0c3533a19f48e5e7e73806a3e4b29cd4364130 (git) before 01b1d781394fc9b83015e3a3cd46b17bda842bd8
5d0c3533a19f48e5e7e73806a3e4b29cd4364130 (git) before 55a67ba5ac4cebfd54cc8305d4d57a0f1dfe6a85
5d0c3533a19f48e5e7e73806a3e4b29cd4364130 (git) before 3f747004bbd641131d9396d87b5d2d3d1e182728
5.11
Any version before 5.11
5.15.199 (semver)
6.1.162 (semver)
6.6.122 (semver)
6.12.67 (semver)
6.18.7 (semver)
6.19 (original_commit_for_fix)
References
git.kernel.org/...c/4532f18e4ab36def1f55cd936d0fc002b2ce34c2
git.kernel.org/...c/694ab1f6f16cb69f7c5ef2452b22ba7b00a3c7c7
git.kernel.org/...c/6bf4ef078fd11910988889a6c0b3698d2e0c89af
git.kernel.org/...c/01b1d781394fc9b83015e3a3cd46b17bda842bd8
git.kernel.org/...c/55a67ba5ac4cebfd54cc8305d4d57a0f1dfe6a85
git.kernel.org/...c/3f747004bbd641131d9396d87b5d2d3d1e182728