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Message-ID: <2024110806-CVE-2024-50176-8744@gregkh> Date: Fri, 8 Nov 2024 06:24:07 +0100 From: Greg Kroah-Hartman <gregkh@...uxfoundation.org> To: linux-cve-announce@...r.kernel.org Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org> Subject: CVE-2024-50176: remoteproc: k3-r5: Fix error handling when power-up failed Description =========== In the Linux kernel, the following vulnerability has been resolved: remoteproc: k3-r5: Fix error handling when power-up failed By simply bailing out, the driver was violating its rule and internal assumptions that either both or no rproc should be initialized. E.g., this could cause the first core to be available but not the second one, leading to crashes on its shutdown later on while trying to dereference that second instance. The Linux kernel CVE team has assigned CVE-2024-50176 to this issue. Affected and fixed versions =========================== Issue introduced in 6.1.95 with commit 2a1ec20b174c and fixed in 6.1.113 with commit 87ab3af74477 Issue introduced in 6.6.35 with commit 2494bc856e7c and fixed in 6.6.55 with commit fc71c2395893 Issue introduced in 6.10 with commit 61f6f68447ab and fixed in 6.10.14 with commit afd102bde99d Issue introduced in 6.10 with commit 61f6f68447ab and fixed in 6.11.3 with commit 7afb5e3aa989 Issue introduced in 6.10 with commit 61f6f68447ab and fixed in 6.12-rc1 with commit 9ab27eb5866c Issue introduced in 6.9.6 with commit 8ae2a10f5c70 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-2024-50176 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/remoteproc/ti_k3_r5_remoteproc.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/87ab3af7447791d0c619610fd560bd804549e187 https://git.kernel.org/stable/c/fc71c23958931713b5e76f317b76be37189f2516 https://git.kernel.org/stable/c/afd102bde99d90ef41e043c846ea34b04433eb7b https://git.kernel.org/stable/c/7afb5e3aa989c479979faeb18768a67889a7a9c6 https://git.kernel.org/stable/c/9ab27eb5866ccbf57715cfdba4b03d57776092fb
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