{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2024-26947", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2024-02-19T14:20:24.197Z", "datePublished": "2024-05-01T05:18:17.316Z", "dateUpdated": "2026-05-23T15:40:35.915Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-23T15:40:35.915Z" }, "descriptions": [ { "lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nARM: 9359/1: flush: check if the folio is reserved for no-mapping addresses\n\nSince commit a4d5613c4dc6 (\"arm: extend pfn_valid to take into account\nfreed memory map alignment\") changes the semantics of pfn_valid() to check\npresence of the memory map for a PFN. A valid page for an address which\nis reserved but not mapped by the kernel[1], the system crashed during\nsome uio test with the following memory layout:\n\n node 0: [mem 0x00000000c0a00000-0x00000000cc8fffff]\n node 0: [mem 0x00000000d0000000-0x00000000da1fffff]\n the uio layout is:0xc0900000, 0x100000\n\nthe crash backtrace like:\n\n Unable to handle kernel paging request at virtual address bff00000\n [...]\n CPU: 1 PID: 465 Comm: startapp.bin Tainted: G O 5.10.0 #1\n Hardware name: Generic DT based system\n PC is at b15_flush_kern_dcache_area+0x24/0x3c\n LR is at __sync_icache_dcache+0x6c/0x98\n [...]\n (b15_flush_kern_dcache_area) from (__sync_icache_dcache+0x6c/0x98)\n (__sync_icache_dcache) from (set_pte_at+0x28/0x54)\n (set_pte_at) from (remap_pfn_range+0x1a0/0x274)\n (remap_pfn_range) from (uio_mmap+0x184/0x1b8 [uio])\n (uio_mmap [uio]) from (__mmap_region+0x264/0x5f4)\n (__mmap_region) from (__do_mmap_mm+0x3ec/0x440)\n (__do_mmap_mm) from (do_mmap+0x50/0x58)\n (do_mmap) from (vm_mmap_pgoff+0xfc/0x188)\n (vm_mmap_pgoff) from (ksys_mmap_pgoff+0xac/0xc4)\n (ksys_mmap_pgoff) from (ret_fast_syscall+0x0/0x5c)\n Code: e0801001 e2423001 e1c00003 f57ff04f (ee070f3e)\n ---[ end trace 09cf0734c3805d52 ]---\n Kernel panic - not syncing: Fatal exception\n\nSo check if PG_reserved was set to solve this issue.\n\n[1]: https://lore.kernel.org/lkml/Zbtdue57RO0QScJM@linux.ibm.com/" } ], "affected": [ { "product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "arch/arm/mm/flush.c" ], "versions": [ { "version": "a4d5613c4dc6d413e0733e37db9d116a2a36b9f3", "lessThan": "0c027c2bad7f5111c51a358b5d392e1a695dabff", "status": "affected", "versionType": "git" }, { "version": "a4d5613c4dc6d413e0733e37db9d116a2a36b9f3", "lessThan": "9f7ddc222cae8254e93d5c169a8ae11a49d912a7", "status": "affected", "versionType": "git" }, { "version": "a4d5613c4dc6d413e0733e37db9d116a2a36b9f3", "lessThan": "fb3a122a978626b33de3367ee1762da934c0f512", "status": "affected", "versionType": "git" }, { "version": "a4d5613c4dc6d413e0733e37db9d116a2a36b9f3", "lessThan": "0c66c6f4e21cb22220cbd8821c5c73fc157d20dc", "status": "affected", "versionType": "git" }, { "version": "6026d4032dbbe3d7f4ac2c8daa923fe74dcf41c4", "status": "affected", "versionType": "git" }, { "version": "65c578935bcc26ddc04e6757b2c7be95bf235b31", "status": "affected", "versionType": "git" }, { "version": "5.4.167", "lessThan": "5.5", "status": "affected", "versionType": "semver" }, { "version": "5.10.87", "lessThan": "5.11", "status": "affected", "versionType": "semver" } ] }, { "product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "arch/arm/mm/flush.c" ], "versions": [ { "version": "5.14", "status": "affected" }, { "version": "0", "lessThan": "5.14", "status": "unaffected", "versionType": "semver" }, { "version": "6.6.24", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.7.12", "lessThanOrEqual": "6.7.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.8.3", "lessThanOrEqual": "6.8.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.9", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix" } ] } ], "cpeApplicability": [ { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.14", "versionEndExcluding": "6.6.24" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.14", "versionEndExcluding": "6.7.12" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.14", "versionEndExcluding": "6.8.3" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.14", "versionEndExcluding": "6.9" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.4.167" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.10.87" } ] } ] } ], "references": [ { "url": "https://git.kernel.org/stable/c/0c027c2bad7f5111c51a358b5d392e1a695dabff" }, { "url": "https://git.kernel.org/stable/c/9f7ddc222cae8254e93d5c169a8ae11a49d912a7" }, { "url": "https://git.kernel.org/stable/c/fb3a122a978626b33de3367ee1762da934c0f512" }, { "url": "https://git.kernel.org/stable/c/0c66c6f4e21cb22220cbd8821c5c73fc157d20dc" } ], "title": "ARM: 9359/1: flush: check if the folio is reserved for no-mapping addresses", "x_generator": { "engine": "bippy-1.2.0" } }, "adp": [ { "metrics": [ { "other": { "type": "ssvc", "content": { "timestamp": "2024-06-17T17:40:49.744241Z", "id": "CVE-2024-26947", "options": [ { "Exploitation": "none" }, { "Automatable": "no" }, { "Technical Impact": "partial" } ], "role": "CISA Coordinator", "version": "2.0.3" } } } ], "title": "CISA ADP Vulnrichment", "providerMetadata": { "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-06-17T17:46:53.297Z" } }, { "providerMetadata": { "orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-02T00:21:05.505Z" }, "title": "CVE Program Container", "references": [ { "url": "https://git.kernel.org/stable/c/0c027c2bad7f5111c51a358b5d392e1a695dabff", "tags": [ "x_transferred" ] }, { "url": "https://git.kernel.org/stable/c/9f7ddc222cae8254e93d5c169a8ae11a49d912a7", "tags": [ "x_transferred" ] }, { "url": "https://git.kernel.org/stable/c/fb3a122a978626b33de3367ee1762da934c0f512", "tags": [ "x_transferred" ] }, { "url": "https://git.kernel.org/stable/c/0c66c6f4e21cb22220cbd8821c5c73fc157d20dc", "tags": [ "x_transferred" ] } ] } ] } }