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Message-ID: <2025121644-CVE-2025-68303-2c61@gregkh> Date: Tue, 16 Dec 2025 16:06:57 +0100 From: Greg Kroah-Hartman <gregkh@...uxfoundation.org> To: linux-cve-announce@...r.kernel.org Cc: Greg Kroah-Hartman <gregkh@...nel.org> Subject: CVE-2025-68303: platform/x86: intel: punit_ipc: fix memory corruption From: Greg Kroah-Hartman <gregkh@...nel.org> Description =========== In the Linux kernel, the following vulnerability has been resolved: platform/x86: intel: punit_ipc: fix memory corruption This passes the address of the pointer "&punit_ipcdev" when the intent was to pass the pointer itself "punit_ipcdev" (without the ampersand). This means that the: complete(&ipcdev->cmd_complete); in intel_punit_ioc() will write to a wrong memory address corrupting it. The Linux kernel CVE team has assigned CVE-2025-68303 to this issue. Affected and fixed versions =========================== Issue introduced in 4.5 with commit fdca4f16f57da76a8e68047923588a87d1c01f0a and fixed in 5.15.197 with commit 15d560cdf5b36c51fffec07ac2a983ab3bff4cb2 Issue introduced in 4.5 with commit fdca4f16f57da76a8e68047923588a87d1c01f0a and fixed in 6.1.159 with commit 46e9d6f54184573dae1dcbcf6685a572ba6f4480 Issue introduced in 4.5 with commit fdca4f16f57da76a8e68047923588a87d1c01f0a and fixed in 6.6.119 with commit 3e7442c5802146fd418ba3f68dcb9ca92b5cec83 Issue introduced in 4.5 with commit fdca4f16f57da76a8e68047923588a87d1c01f0a and fixed in 6.12.61 with commit a21615a4ac6fecbb586d59fe2206b63501021789 Issue introduced in 4.5 with commit fdca4f16f57da76a8e68047923588a87d1c01f0a and fixed in 6.17.11 with commit c2ee6d38996775a19bfdf20cb01a9b8698cb0baa Issue introduced in 4.5 with commit fdca4f16f57da76a8e68047923588a87d1c01f0a and fixed in 6.18 with commit 9b9c0adbc3f8a524d291baccc9d0c04097fb4869 Please see https://www.kernel.org for a full list of currently supported kernel versions by the kernel community. Unaffected versions might change over time as fixes are backported to older supported kernel versions. The official CVE entry at https://cve.org/CVERecord/?id=CVE-2025-68303 will be updated if fixes are backported, please check that for the most up to date information about this issue. Affected files ============== The file(s) affected by this issue are: drivers/platform/x86/intel/punit_ipc.c Mitigation ========== The Linux kernel CVE team recommends that you update to the latest stable kernel version for this, and many other bugfixes. Individual changes are never tested alone, but rather are part of a larger kernel release. Cherry-picking individual commits is not recommended or supported by the Linux kernel community at all. If however, updating to the latest release is impossible, the individual changes to resolve this issue can be found at these commits: https://git.kernel.org/stable/c/15d560cdf5b36c51fffec07ac2a983ab3bff4cb2 https://git.kernel.org/stable/c/46e9d6f54184573dae1dcbcf6685a572ba6f4480 https://git.kernel.org/stable/c/3e7442c5802146fd418ba3f68dcb9ca92b5cec83 https://git.kernel.org/stable/c/a21615a4ac6fecbb586d59fe2206b63501021789 https://git.kernel.org/stable/c/c2ee6d38996775a19bfdf20cb01a9b8698cb0baa https://git.kernel.org/stable/c/9b9c0adbc3f8a524d291baccc9d0c04097fb4869
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