| { |
| "containers": { |
| "cna": { |
| "providerMetadata": { |
| "orgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038" |
| }, |
| "descriptions": [ |
| { |
| "lang": "en", |
| "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmm/debug_vm_pgtable: fix BUG_ON with pud advanced test\n\nArchitectures like powerpc add debug checks to ensure we find only devmap\nPUD pte entries. These debug checks are only done with CONFIG_DEBUG_VM. \nThis patch marks the ptes used for PUD advanced test devmap pte entries so\nthat we don't hit on debug checks on architecture like ppc64 as below.\n\nWARNING: CPU: 2 PID: 1 at arch/powerpc/mm/book3s64/radix_pgtable.c:1382 radix__pud_hugepage_update+0x38/0x138\n....\nNIP [c0000000000a7004] radix__pud_hugepage_update+0x38/0x138\nLR [c0000000000a77a8] radix__pudp_huge_get_and_clear+0x28/0x60\nCall Trace:\n[c000000004a2f950] [c000000004a2f9a0] 0xc000000004a2f9a0 (unreliable)\n[c000000004a2f980] [000d34c100000000] 0xd34c100000000\n[c000000004a2f9a0] [c00000000206ba98] pud_advanced_tests+0x118/0x334\n[c000000004a2fa40] [c00000000206db34] debug_vm_pgtable+0xcbc/0x1c48\n[c000000004a2fc10] [c00000000000fd28] do_one_initcall+0x60/0x388\n\nAlso\n\n kernel BUG at arch/powerpc/mm/book3s64/pgtable.c:202!\n ....\n\n NIP [c000000000096510] pudp_huge_get_and_clear_full+0x98/0x174\n LR [c00000000206bb34] pud_advanced_tests+0x1b4/0x334\n Call Trace:\n [c000000004a2f950] [000d34c100000000] 0xd34c100000000 (unreliable)\n [c000000004a2f9a0] [c00000000206bb34] pud_advanced_tests+0x1b4/0x334\n [c000000004a2fa40] [c00000000206db34] debug_vm_pgtable+0xcbc/0x1c48\n [c000000004a2fc10] [c00000000000fd28] do_one_initcall+0x60/0x388" |
| } |
| ], |
| "affected": [ |
| { |
| "product": "Linux", |
| "vendor": "Linux", |
| "defaultStatus": "unaffected", |
| "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", |
| "programFiles": [ |
| "mm/debug_vm_pgtable.c" |
| ], |
| "versions": [ |
| { |
| "version": "27af67f35631ac4b61b5e4455b44c9aee8d2cc4b", |
| "lessThan": "d2a9510c0e39d06f5544075c13040407bdbf2803", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "27af67f35631ac4b61b5e4455b44c9aee8d2cc4b", |
| "lessThan": "eeeddf85fc58d48c58ad916e4ca12363ebd8ab21", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "27af67f35631ac4b61b5e4455b44c9aee8d2cc4b", |
| "lessThan": "720da1e593b85a550593b415bf1d79a053133451", |
| "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/debug_vm_pgtable.c" |
| ], |
| "versions": [ |
| { |
| "version": "6.6", |
| "status": "affected" |
| }, |
| { |
| "version": "0", |
| "lessThan": "6.6", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "6.6.21", |
| "lessThanOrEqual": "6.6.*", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "6.7.9", |
| "lessThanOrEqual": "6.7.*", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "6.8", |
| "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": "6.6", |
| "versionEndExcluding": "6.6.21" |
| }, |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionStartIncluding": "6.6", |
| "versionEndExcluding": "6.7.9" |
| }, |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionStartIncluding": "6.6", |
| "versionEndExcluding": "6.8" |
| } |
| ] |
| } |
| ] |
| } |
| ], |
| "references": [ |
| { |
| "url": "https://git.kernel.org/stable/c/d2a9510c0e39d06f5544075c13040407bdbf2803" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/eeeddf85fc58d48c58ad916e4ca12363ebd8ab21" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/720da1e593b85a550593b415bf1d79a053133451" |
| } |
| ], |
| "title": "mm/debug_vm_pgtable: fix BUG_ON with pud advanced test", |
| "x_generator": { |
| "engine": "bippy-1.2.0" |
| } |
| } |
| }, |
| "cveMetadata": { |
| "assignerOrgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038", |
| "cveID": "CVE-2024-26850", |
| "requesterUserId": "gregkh@kernel.org", |
| "serial": "1", |
| "state": "PUBLISHED" |
| }, |
| "dataType": "CVE_RECORD", |
| "dataVersion": "5.0" |
| } |
