{ "dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": { "cveId": "CVE-2024-41031", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2024-07-12T12:17:45.618Z", "datePublished": "2024-07-29T14:31:46.943Z", "dateUpdated": "2024-09-11T17:34:03.906Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2024-07-29T14:31:46.943Z" }, "descriptions": [ { "lang": "en", "value": "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": [ { "product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "mm/filemap.c" ], "versions": [ { "version": "4687fdbb805a", "lessThan": "06b5a69c27ec", "status": "affected", "versionType": "git" }, { "version": "4687fdbb805a", "lessThan": "1ef650d3b1b2", "status": "affected", "versionType": "git" }, { "version": "4687fdbb805a", "lessThan": "3390916aca7a", "status": "affected", "versionType": "git" } ] }, { "product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "mm/filemap.c" ], "versions": [ { "version": "5.18", "status": "affected" }, { "version": "0", "lessThan": "5.18", "status": "unaffected", "versionType": "custom" }, { "version": "6.6.41", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "custom" }, { "version": "6.9.10", "lessThanOrEqual": "6.9.*", "status": "unaffected", "versionType": "custom" }, { "version": "6.10", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix" } ] } ], "references": [ { "url": "https://git.kernel.org/stable/c/06b5a69c27ec405a3c3f2da8520ff1ee70b94a21" }, { "url": "https://git.kernel.org/stable/c/1ef650d3b1b2a16473981b447f38705fe9b93972" }, { "url": "https://git.kernel.org/stable/c/3390916aca7af1893ed2ebcdfee1d6fdb65bb058" } ], "title": "mm/filemap: skip to create PMD-sized page cache if needed", "x_generator": { "engine": "bippy-c9c4e1df01b2" } }, "adp": [ { "providerMetadata": { "orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-02T04:39:56.076Z" }, "title": "CVE Program Container", "references": [ { "url": "https://git.kernel.org/stable/c/06b5a69c27ec405a3c3f2da8520ff1ee70b94a21", "tags": [ "x_transferred" ] }, { "url": "https://git.kernel.org/stable/c/1ef650d3b1b2a16473981b447f38705fe9b93972", "tags": [ "x_transferred" ] }, { "url": "https://git.kernel.org/stable/c/3390916aca7af1893ed2ebcdfee1d6fdb65bb058", "tags": [ "x_transferred" ] } ] }, { "metrics": [ { "other": { "type": "ssvc", "content": { "id": "CVE-2024-41031", "role": "CISA Coordinator", "options": [ { "Exploitation": "none" }, { "Automatable": "no" }, { "Technical Impact": "partial" } ], "version": "2.0.3", "timestamp": "2024-09-10T16:23:47.337033Z" } } } ], "title": "CISA ADP Vulnrichment", "providerMetadata": { "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-09-11T17:34:03.906Z" } } ] } }