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Message-ID: <2025013157-CVE-2025-21665-d6a2@gregkh> Date: Fri, 31 Jan 2025 12:30:57 +0100 From: Greg Kroah-Hartman <gregkh@...uxfoundation.org> To: linux-cve-announce@...r.kernel.org Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org> Subject: CVE-2025-21665: filemap: avoid truncating 64-bit offset to 32 bits Description =========== In the Linux kernel, the following vulnerability has been resolved: filemap: avoid truncating 64-bit offset to 32 bits On 32-bit kernels, folio_seek_hole_data() was inadvertently truncating a 64-bit value to 32 bits, leading to a possible infinite loop when writing to an xfs filesystem. The Linux kernel CVE team has assigned CVE-2025-21665 to this issue. Affected and fixed versions =========================== Issue introduced in 5.12 with commit 54fa39ac2e00b1b8c2a7fe72e648773ffa48f76d and fixed in 5.15.177 with commit 64e5fd96330df2ad278d1c4edcca581f26e5f76e Issue introduced in 5.12 with commit 54fa39ac2e00b1b8c2a7fe72e648773ffa48f76d and fixed in 6.1.127 with commit 80fc836f3ebe2f2d2d2c80c698b7667974285a04 Issue introduced in 5.12 with commit 54fa39ac2e00b1b8c2a7fe72e648773ffa48f76d and fixed in 6.6.74 with commit 09528bb1a4123e2a234eac2bc45a0e51e78dab43 Issue introduced in 5.12 with commit 54fa39ac2e00b1b8c2a7fe72e648773ffa48f76d and fixed in 6.12.11 with commit 280f1fb89afc01e7376f59ae611d54ca69e9f967 Issue introduced in 5.12 with commit 54fa39ac2e00b1b8c2a7fe72e648773ffa48f76d and fixed in 6.13 with commit f505e6c91e7a22d10316665a86d79f84d9f0ba76 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-2025-21665 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: mm/filemap.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/64e5fd96330df2ad278d1c4edcca581f26e5f76e https://git.kernel.org/stable/c/80fc836f3ebe2f2d2d2c80c698b7667974285a04 https://git.kernel.org/stable/c/09528bb1a4123e2a234eac2bc45a0e51e78dab43 https://git.kernel.org/stable/c/280f1fb89afc01e7376f59ae611d54ca69e9f967 https://git.kernel.org/stable/c/f505e6c91e7a22d10316665a86d79f84d9f0ba76
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