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Message-ID: <2024100905-CVE-2024-47665-901e@gregkh> Date: Wed, 9 Oct 2024 16:14:07 +0200 From: Greg Kroah-Hartman <gregkh@...uxfoundation.org> To: linux-cve-announce@...r.kernel.org Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org> Subject: CVE-2024-47665: i3c: mipi-i3c-hci: Error out instead on BUG_ON() in IBI DMA setup Description =========== In the Linux kernel, the following vulnerability has been resolved: i3c: mipi-i3c-hci: Error out instead on BUG_ON() in IBI DMA setup Definitely condition dma_get_cache_alignment * defined value > 256 during driver initialization is not reason to BUG_ON(). Turn that to graceful error out with -EINVAL. The Linux kernel CVE team has assigned CVE-2024-47665 to this issue. Affected and fixed versions =========================== Fixed in 5.15.167 with commit cacb76df247a Fixed in 6.1.110 with commit 2666085335bd Fixed in 6.6.51 with commit 5a022269abb2 Fixed in 6.10.10 with commit e2d14bfda9eb Fixed in 6.11 with commit 8a2be2f1db26 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-2024-47665 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/i3c/master/mipi-i3c-hci/dma.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/cacb76df247a7cd842ff29755a523b1cba6c0508 https://git.kernel.org/stable/c/2666085335bdfedf90d91f4071490ad3980be785 https://git.kernel.org/stable/c/5a022269abb22809f2a174b90f200fc4b9526058 https://git.kernel.org/stable/c/e2d14bfda9eb5393f8a17008afe2aa7fe0a29815 https://git.kernel.org/stable/c/8a2be2f1db268ec735419e53ef04ca039fc027dc
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