215 lines
11 KiB
JSON
215 lines
11 KiB
JSON
{
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"dataType": "CVE_RECORD",
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"dataVersion": "5.2",
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"cveMetadata": {
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"cveId": "CVE-2022-49666",
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"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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"state": "PUBLISHED",
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"assignerShortName": "Linux",
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"dateReserved": "2025-02-26T02:21:30.436Z",
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"datePublished": "2025-02-26T02:24:01.148Z",
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"dateUpdated": "2026-05-23T15:22:42.733Z"
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},
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"containers": {
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"cna": {
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"providerMetadata": {
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"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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"shortName": "Linux",
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"dateUpdated": "2026-05-23T15:22:42.733Z"
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},
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"descriptions": [
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{
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"lang": "en",
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\npowerpc/memhotplug: Add add_pages override for PPC\n\nWith commit ffa0b64e3be5 (\"powerpc: Fix virt_addr_valid() for 64-bit Book3E & 32-bit\")\nthe kernel now validate the addr against high_memory value. This results\nin the below BUG_ON with dax pfns.\n\n[ 635.798741][T26531] kernel BUG at mm/page_alloc.c:5521!\n1:mon> e\ncpu 0x1: Vector: 700 (Program Check) at [c000000007287630]\n pc: c00000000055ed48: free_pages.part.0+0x48/0x110\n lr: c00000000053ca70: tlb_finish_mmu+0x80/0xd0\n sp: c0000000072878d0\n msr: 800000000282b033\n current = 0xc00000000afabe00\n paca = 0xc00000037ffff300 irqmask: 0x03 irq_happened: 0x05\n pid = 26531, comm = 50-landscape-sy\nkernel BUG at :5521!\nLinux version 5.19.0-rc3-14659-g4ec05be7c2e1 (kvaneesh@ltc-boston8) (gcc (Ubuntu 9.4.0-1ubuntu1~20.04.1) 9.4.0, GNU ld (GNU Binutils for Ubuntu) 2.34) #625 SMP Thu Jun 23 00:35:43 CDT 2022\n1:mon> t\n[link register ] c00000000053ca70 tlb_finish_mmu+0x80/0xd0\n[c0000000072878d0] c00000000053ca54 tlb_finish_mmu+0x64/0xd0 (unreliable)\n[c000000007287900] c000000000539424 exit_mmap+0xe4/0x2a0\n[c0000000072879e0] c00000000019fc1c mmput+0xcc/0x210\n[c000000007287a20] c000000000629230 begin_new_exec+0x5e0/0xf40\n[c000000007287ae0] c00000000070b3cc load_elf_binary+0x3ac/0x1e00\n[c000000007287c10] c000000000627af0 bprm_execve+0x3b0/0xaf0\n[c000000007287cd0] c000000000628414 do_execveat_common.isra.0+0x1e4/0x310\n[c000000007287d80] c00000000062858c sys_execve+0x4c/0x60\n[c000000007287db0] c00000000002c1b0 system_call_exception+0x160/0x2c0\n[c000000007287e10] c00000000000c53c system_call_common+0xec/0x250\n\nThe fix is to make sure we update high_memory on memory hotplug.\nThis is similar to what x86 does in commit 3072e413e305 (\"mm/memory_hotplug: introduce add_pages\")"
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}
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],
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"affected": [
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{
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"product": "Linux",
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"vendor": "Linux",
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"defaultStatus": "unaffected",
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"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
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"programFiles": [
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"arch/powerpc/Kconfig",
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"arch/powerpc/mm/mem.c"
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],
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"versions": [
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{
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"version": "fddb88bd266f4513abab7c36bca98935c9148a98",
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"lessThan": "89296ac435e2cf8a5101f7fab8f0c7b754b92052",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "ffa0b64e3be58519ae472ea29a1a1ad681e32f48",
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"lessThan": "84d146fd35a01b08e9515041de60f0f915a417d5",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "ffa0b64e3be58519ae472ea29a1a1ad681e32f48",
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"lessThan": "ac790d09885d36143076e7e02825c541e8eee899",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "deab81144d5a043f42804207fb76cfbd8a806978",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "d36febbcd537fcc50284e8b89609632d0146529f",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "a3727c25eacd7e437c4f560957fa3a376fe93e6b",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "cbc065efcba000ad8f615f506ebe61b6d3c5145b",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "5.15.34",
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"lessThan": "5.15.53",
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"status": "affected",
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"versionType": "semver"
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},
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{
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"version": "5.4.190",
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"lessThan": "5.5",
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"status": "affected",
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"versionType": "semver"
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},
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{
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"version": "5.10.111",
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"lessThan": "5.11",
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"status": "affected",
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"versionType": "semver"
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},
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{
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"version": "5.16.20",
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"lessThan": "5.17",
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"status": "affected",
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"versionType": "semver"
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},
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{
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"version": "5.17.3",
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"lessThan": "5.18",
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"status": "affected",
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"versionType": "semver"
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}
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]
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},
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{
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"product": "Linux",
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"vendor": "Linux",
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"defaultStatus": "affected",
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"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
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"programFiles": [
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"arch/powerpc/Kconfig",
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"arch/powerpc/mm/mem.c"
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],
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"versions": [
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{
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"version": "5.18",
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"status": "affected"
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},
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{
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"version": "0",
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"lessThan": "5.18",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "5.15.53",
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"lessThanOrEqual": "5.15.*",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "5.18.10",
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"lessThanOrEqual": "5.18.*",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "5.19",
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"lessThanOrEqual": "*",
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"status": "unaffected",
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"versionType": "original_commit_for_fix"
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}
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]
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}
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],
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"cpeApplicability": [
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{
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"nodes": [
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{
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"operator": "OR",
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"negate": false,
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"cpeMatch": [
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "5.15.34",
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"versionEndExcluding": "5.15.53"
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},
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "5.18",
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"versionEndExcluding": "5.18.10"
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},
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "5.18",
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"versionEndExcluding": "5.19"
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},
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "5.4.190"
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},
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "5.10.111"
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},
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "5.16.20"
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},
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "5.17.3"
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}
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]
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}
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]
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}
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],
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"references": [
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{
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"url": "https://git.kernel.org/stable/c/89296ac435e2cf8a5101f7fab8f0c7b754b92052"
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},
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{
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"url": "https://git.kernel.org/stable/c/84d146fd35a01b08e9515041de60f0f915a417d5"
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},
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{
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"url": "https://git.kernel.org/stable/c/ac790d09885d36143076e7e02825c541e8eee899"
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}
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],
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"title": "powerpc/memhotplug: Add add_pages override for PPC",
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"x_generator": {
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"engine": "bippy-1.2.0"
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}
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}
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}
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} |