{ "schema_version": "1.6.1", "id": "RPI-CVE-2024-41031", "modified": "2026-10-07T17:22:01Z", "upstream": [ "CVE-2024-41031" ], "published": "2024-07-29T14:32:49Z", "summary": "mm/filemap: skip to create PMD-sized page cache if needed", "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nmm/filemap: skip to create PMD-sized page cache if needed\n\nOn ARM64, HPAGE_PMD_ORDER is 13 when the base page size is 64KB. The\nPMD-sized page cache can't be supported by xarray as the following error\nmessages indicate.\n\n------------[ cut here ]------------\nWARNING: CPU: 35 PID: 7484 at lib/xarray.c:1025 xas_split_alloc+0xf8/0x128\nModules linked in: nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib \\\nnft_reject_inet nf_reject_ipv4 nf_reject_ipv6 nft_reject nft_ct \\\nnft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 \\\nip_set rfkill nf_tables nfnetlink vfat fat virtio_balloon drm \\\nfuse xfs libcrc32c crct10dif_ce ghash_ce sha2_ce sha256_arm64 \\\nsha1_ce virtio_net net_failover virtio_console virtio_blk failover \\\ndimlib virtio_mmio\nCPU: 35 PID: 7484 Comm: test Kdump: loaded Tainted: G W 6.10.0-rc5-gavin+ #9\nHardware name: QEMU KVM Virtual Machine, BIOS edk2-20240524-1.el9 05/24/2024\npstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--)\npc : xas_split_alloc+0xf8/0x128\nlr : split_huge_page_to_list_to_order+0x1c4/0x720\nsp : ffff800087a4f6c0\nx29: ffff800087a4f6c0 x28: ffff800087a4f720 x27: 000000001fffffff\nx26: 0000000000000c40 x25: 000000000000000d x24: ffff00010625b858\nx23: ffff800087a4f720 x22: ffffffdfc0780000 x21: 0000000000000000\nx20: 0000000000000000 x19: ffffffdfc0780000 x18: 000000001ff40000\nx17: 00000000ffffffff x16: 0000018000000000 x15: 51ec004000000000\nx14: 0000e00000000000 x13: 0000000000002000 x12: 0000000000000020\nx11: 51ec000000000000 x10: 51ece1c0ffff8000 x9 : ffffbeb961a44d28\nx8 : 0000000000000003 x7 : ffffffdfc0456420 x6 : ffff0000e1aa6eb8\nx5 : 20bf08b4fe778fca x4 : ffffffdfc0456420 x3 : 0000000000000c40\nx2 : 000000000000000d x1 : 000000000000000c x0 : 0000000000000000\nCall trace:\n xas_split_alloc+0xf8/0x128\n split_huge_page_to_list_to_order+0x1c4/0x720\n truncate_inode_partial_folio+0xdc/0x160\n truncate_inode_pages_range+0x1b4/0x4a8\n truncate_pagecache_range+0x84/0xa0\n xfs_flush_unmap_range+0x70/0x90 [xfs]\n xfs_file_fallocate+0xfc/0x4d8 [xfs]\n vfs_fallocate+0x124/0x2e8\n ksys_fallocate+0x4c/0xa0\n __arm64_sys_fallocate+0x24/0x38\n invoke_syscall.constprop.0+0x7c/0xd8\n do_el0_svc+0xb4/0xd0\n el0_svc+0x44/0x1d8\n el0t_64_sync_handler+0x134/0x150\n el0t_64_sync+0x17c/0x180\n\nFix it by skipping to allocate PMD-sized page cache when its size is\nlarger than MAX_PAGECACHE_ORDER. For this specific case, we will fall to\nregular path where the readahead window is determined by BDI's sysfs file\n(read_ahead_kb).", "affected": [ { "package": { "ecosystem": "Raspberry Pi OS:12", "name": "linux" }, "versions": [ "1:6.1.21-1+rpt1", "1:6.1.47-1+rpt2", "1:6.1.47-1+rpt4", "1:6.1.54-1+rpt2", "1:6.1.58-1+rpt2", "1:6.1.63-1+rpt1", "1:6.1.73-1+rpt1", "1:6.6.20-1+rpt1", "1:6.6.28-1+rpt1", "1:6.6.31-1+rpt1" ], "ecosystem_specific": { "binaries": [ { "binary_name": "linux-image-6.1.0-rpi1-rpi-v6", "binary_version": "1:6.1.21-1+rpt1" }, { "binary_name": "linux-image-6.1.0-rpi1-rpi-v7", "binary_version": "1:6.1.21-1+rpt1" }, { "binary_name": "linux-image-6.1.0-rpi1-rpi-v7l", "binary_version": "1:6.1.21-1+rpt1" }, { "binary_name": "linux-image-6.1.0-rpi1-rpi-v8", "binary_version": "1:6.1.21-1+rpt1" }, { "binary_name": "linux-image-6.1.0-rpi2-rpi-v6", "binary_version": "1:6.1.47-1+rpt2" }, { "binary_name": "linux-image-6.1.0-rpi2-rpi-v7", "binary_version": "1:6.1.47-1+rpt2" }, { 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"upstream_fixed": null }, "1:6.1.47-1+rpt2": { "linux_commit": "655fc658a15ae7a6f37103754adb39ba52a9a14e", "upstream_version": "6.1.47", "assessment": "commit ancestry (strak rule)", "upstream_fixed": null }, "1:6.1.47-1+rpt4": { "linux_commit": "655fc658a15ae7a6f37103754adb39ba52a9a14e", "upstream_version": "6.1.47", "assessment": "commit ancestry (strak rule)", "upstream_fixed": null, "compiled_filter": false }, "1:6.1.54-1+rpt2": { "linux_commit": "2906f7abdc03d4a92b6b0e2e0c87ea2a9dffe8f7", "upstream_version": "6.1.54", "assessment": "commit ancestry (strak rule)", "upstream_fixed": null }, "1:6.1.58-1+rpt2": { "linux_commit": "ccf1586ad0663fa91238ac56abf6340d6d740d18", "upstream_version": "6.1.58", "assessment": "commit ancestry (strak rule)", "upstream_fixed": null }, "1:6.1.63-1+rpt1": { "linux_commit": null, "upstream_version": "6.1.63", "assessment": "upstream version (no usable Linux commit)", "upstream_fixed": null }, "1:6.1.73-1+rpt1": { "linux_commit": null, "upstream_version": "6.1.73", "assessment": "upstream version (no usable Linux commit)", "upstream_fixed": null }, "1:6.6.20-1+rpt1": { "linux_commit": "6f16847710cc0502450788b9f12f0a14d3429668", "upstream_version": "6.6.20", "assessment": "commit ancestry (strak rule)", "upstream_fixed": "6.6.41" }, "1:6.6.28-1+rpt1": { "linux_commit": "0c341f47adc3578cd5f817aa20ee2b7f9ae6b23e", "upstream_version": "6.6.28", "assessment": "commit ancestry (strak rule)", "upstream_fixed": "6.6.41" }, "1:6.6.31-1+rpt1": { "linux_commit": "c1432b4bae5b6582f4d32ba381459f33c34d1424", "upstream_version": "6.6.31", "assessment": "commit ancestry (strak rule)", "upstream_fixed": "6.6.41" } } } } ], "references": [ { "type": "ADVISORY", "url": "https://www.cve.org/CVERecord?id=CVE-2024-41031" }, { "type": "FIX", "url": "https://git.kernel.org/stable/c/06b5a69c27ec405a3c3f2da8520ff1ee70b94a21" }, { "type": "FIX", "url": "https://git.kernel.org/stable/c/1ef650d3b1b2a16473981b447f38705fe9b93972" }, { "type": "FIX", "url": "https://git.kernel.org/stable/c/3390916aca7af1893ed2ebcdfee1d6fdb65bb058" } ], "database_specific": { "source": "https://git.kernel.org/pub/scm/linux/security/vulns.git", "upstream_modified": "2026-05-12T04:54:46Z" } }