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Message-ID: <2024051751-CVE-2023-52683-f280@gregkh> Date: Fri, 17 May 2024 16:26:56 +0200 From: Greg Kroah-Hartman <gregkh@...uxfoundation.org> To: linux-cve-announce@...r.kernel.org Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org> Subject: CVE-2023-52683: ACPI: LPIT: Avoid u32 multiplication overflow Description =========== In the Linux kernel, the following vulnerability has been resolved: ACPI: LPIT: Avoid u32 multiplication overflow In lpit_update_residency() there is a possibility of overflow in multiplication, if tsc_khz is large enough (> UINT_MAX/1000). Change multiplication to mul_u32_u32(). Found by Linux Verification Center (linuxtesting.org) with SVACE. The Linux kernel CVE team has assigned CVE-2023-52683 to this issue. Affected and fixed versions =========================== Issue introduced in 4.15 with commit eeb2d80d502a and fixed in 4.19.306 with commit 647d1d50c31e Issue introduced in 4.15 with commit eeb2d80d502a and fixed in 5.4.268 with commit 6c38e791bde0 Issue introduced in 4.15 with commit eeb2d80d502a and fixed in 5.10.209 with commit f39c3d578c7d Issue introduced in 4.15 with commit eeb2d80d502a and fixed in 5.15.148 with commit c1814a4ffd01 Issue introduced in 4.15 with commit eeb2d80d502a and fixed in 6.1.75 with commit 72222dfd76a7 Issue introduced in 4.15 with commit eeb2d80d502a and fixed in 6.6.14 with commit d1ac288b2742 Issue introduced in 4.15 with commit eeb2d80d502a and fixed in 6.7.2 with commit b7aab9d906e2 Issue introduced in 4.15 with commit eeb2d80d502a and fixed in 6.8 with commit 56d2eeda8799 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-2023-52683 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/acpi/acpi_lpit.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/647d1d50c31e60ef9ccb9756a8fdf863329f7aee https://git.kernel.org/stable/c/6c38e791bde07d6ca2a0a619ff9b6837e0d5f9ad https://git.kernel.org/stable/c/f39c3d578c7d09a18ceaf56750fc7f20b02ada63 https://git.kernel.org/stable/c/c1814a4ffd016ce5392c6767d22ef3aa2f0d4bd1 https://git.kernel.org/stable/c/72222dfd76a79d9666ab3117fcdd44ca8cd0c4de https://git.kernel.org/stable/c/d1ac288b2742aa4af746c5613bac71760fadd1c4 https://git.kernel.org/stable/c/b7aab9d906e2e252a7783f872406033ec49b6dae https://git.kernel.org/stable/c/56d2eeda87995245300836ee4dbd13b002311782
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