{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2022-49276", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-02-26T01:49:39.298Z", "datePublished": "2025-02-26T01:56:20.559Z", "dateUpdated": "2026-05-11T18:56:33.715Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-11T18:56:33.715Z" }, "descriptions": [ { "lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\njffs2: fix memory leak in jffs2_scan_medium\n\nIf an error is returned in jffs2_scan_eraseblock() and some memory\nhas been added to the jffs2_summary *s, we can observe the following\nkmemleak report:\n\n--------------------------------------------\nunreferenced object 0xffff88812b889c40 (size 64):\n comm \"mount\", pid 692, jiffies 4294838325 (age 34.288s)\n hex dump (first 32 bytes):\n 40 48 b5 14 81 88 ff ff 01 e0 31 00 00 00 50 00 @H........1...P.\n 00 00 01 00 00 00 01 00 00 00 02 00 00 00 09 08 ................\n backtrace:\n [] __kmalloc+0x613/0x910\n [] jffs2_sum_add_dirent_mem+0x5c/0xa0\n [] jffs2_scan_medium.cold+0x36e5/0x4794\n [] jffs2_do_mount_fs.cold+0xa7/0x2267\n [] jffs2_do_fill_super+0x383/0xc30\n [] jffs2_fill_super+0x2ea/0x4c0\n [] mtd_get_sb+0x254/0x400\n [] mtd_get_sb_by_nr+0x4f/0xd0\n [] get_tree_mtd+0x498/0x840\n [] jffs2_get_tree+0x25/0x30\n [] vfs_get_tree+0x8d/0x2e0\n [] path_mount+0x50f/0x1e50\n [] do_mount+0x107/0x130\n [] __se_sys_mount+0x1c5/0x2f0\n [] __x64_sys_mount+0xc7/0x160\n [] do_syscall_64+0x45/0x70\nunreferenced object 0xffff888114b54840 (size 32):\n comm \"mount\", pid 692, jiffies 4294838325 (age 34.288s)\n hex dump (first 32 bytes):\n c0 75 b5 14 81 88 ff ff 02 e0 02 00 00 00 02 00 .u..............\n 00 00 84 00 00 00 44 00 00 00 6b 6b 6b 6b 6b a5 ......D...kkkkk.\n backtrace:\n [] kmem_cache_alloc_trace+0x584/0x880\n [] jffs2_sum_add_inode_mem+0x54/0x90\n [] jffs2_scan_medium.cold+0x4481/0x4794\n [...]\nunreferenced object 0xffff888114b57280 (size 32):\n comm \"mount\", pid 692, jiffies 4294838393 (age 34.357s)\n hex dump (first 32 bytes):\n 10 d5 6c 11 81 88 ff ff 08 e0 05 00 00 00 01 00 ..l.............\n 00 00 38 02 00 00 28 00 00 00 6b 6b 6b 6b 6b a5 ..8...(...kkkkk.\n backtrace:\n [] kmem_cache_alloc_trace+0x584/0x880\n [] jffs2_sum_add_xattr_mem+0x54/0x90\n [] jffs2_scan_medium.cold+0x298c/0x4794\n [...]\nunreferenced object 0xffff8881116cd510 (size 16):\n comm \"mount\", pid 692, jiffies 4294838395 (age 34.355s)\n hex dump (first 16 bytes):\n 00 00 00 00 00 00 00 00 09 e0 60 02 00 00 6b a5 ..........`...k.\n backtrace:\n [] kmem_cache_alloc_trace+0x584/0x880\n [] jffs2_sum_add_xref_mem+0x54/0x90\n [] jffs2_scan_medium.cold+0x3a20/0x4794\n [...]\n--------------------------------------------\n\nTherefore, we should call jffs2_sum_reset_collected(s) on exit to\nrelease the memory added in s. In addition, a new tag \"out_buf\" is\nadded to prevent the NULL pointer reference caused by s being NULL.\n(thanks to Zhang Yi for this analysis)" } ], "affected": [ { "product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "fs/jffs2/scan.c" ], "versions": [ { "version": "e631ddba588783edd521c5a89f7b2902772fb691", "lessThan": "9b0c69182f09b70779817af4dcf89780955d5c4c", "status": "affected", "versionType": "git" }, { "version": "e631ddba588783edd521c5a89f7b2902772fb691", "lessThan": "b36bccb04e14cc0c1e2d0e92d477fe220314fad6", "status": "affected", "versionType": "git" }, { "version": "e631ddba588783edd521c5a89f7b2902772fb691", "lessThan": "e711913463af916d777a4873068f415f1fe2ad33", "status": "affected", "versionType": "git" }, { "version": "e631ddba588783edd521c5a89f7b2902772fb691", "lessThan": "455f4a23490bfcbedc8e5c245c463a59b19e5ddd", "status": "affected", "versionType": "git" }, { "version": "e631ddba588783edd521c5a89f7b2902772fb691", "lessThan": "51dbb5e36d59f62e34d462b801c1068248149cfe", "status": "affected", "versionType": "git" }, { "version": "e631ddba588783edd521c5a89f7b2902772fb691", "lessThan": "52ba0ab4f0a606f02a6163493378989faa1ec10a", "status": "affected", "versionType": "git" }, { "version": "e631ddba588783edd521c5a89f7b2902772fb691", "lessThan": "b26bbc0c122cad038831f226a4cb4de702225e16", "status": "affected", "versionType": "git" }, { "version": "e631ddba588783edd521c5a89f7b2902772fb691", "lessThan": "82462324bf35b6b553400af1c1aa265069cee28f", "status": "affected", "versionType": "git" }, { "version": "e631ddba588783edd521c5a89f7b2902772fb691", "lessThan": "9cdd3128874f5fe759e2c4e1360ab7fb96a8d1df", "status": "affected", "versionType": "git" } ] }, { "product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "fs/jffs2/scan.c" ], "versions": [ { "version": "2.6.15", "status": "affected" }, { "version": "0", "lessThan": "2.6.15", "status": "unaffected", "versionType": "semver" }, { "version": "4.9.311", "lessThanOrEqual": "4.9.*", "status": "unaffected", "versionType": "semver" }, { "version": "4.14.276", "lessThanOrEqual": "4.14.*", "status": "unaffected", "versionType": "semver" }, { "version": "4.19.238", "lessThanOrEqual": "4.19.*", "status": "unaffected", "versionType": "semver" }, { "version": "5.4.189", "lessThanOrEqual": "5.4.*", "status": "unaffected", "versionType": "semver" }, { "version": "5.10.110", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver" }, { "version": "5.15.33", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver" }, { "version": "5.16.19", "lessThanOrEqual": "5.16.*", "status": "unaffected", "versionType": "semver" }, { "version": "5.17.2", "lessThanOrEqual": "5.17.*", "status": "unaffected", "versionType": "semver" }, { "version": "5.18", "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": "2.6.15", "versionEndExcluding": "4.9.311" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.15", "versionEndExcluding": "4.14.276" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.15", "versionEndExcluding": "4.19.238" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.15", "versionEndExcluding": "5.4.189" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.15", "versionEndExcluding": "5.10.110" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.15", "versionEndExcluding": "5.15.33" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.15", "versionEndExcluding": "5.16.19" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.15", "versionEndExcluding": "5.17.2" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.15", "versionEndExcluding": "5.18" } ] } ] } ], "references": [ { "url": "https://git.kernel.org/stable/c/9b0c69182f09b70779817af4dcf89780955d5c4c" }, { "url": "https://git.kernel.org/stable/c/b36bccb04e14cc0c1e2d0e92d477fe220314fad6" }, { "url": "https://git.kernel.org/stable/c/e711913463af916d777a4873068f415f1fe2ad33" }, { "url": "https://git.kernel.org/stable/c/455f4a23490bfcbedc8e5c245c463a59b19e5ddd" }, { "url": "https://git.kernel.org/stable/c/51dbb5e36d59f62e34d462b801c1068248149cfe" }, { "url": "https://git.kernel.org/stable/c/52ba0ab4f0a606f02a6163493378989faa1ec10a" }, { "url": "https://git.kernel.org/stable/c/b26bbc0c122cad038831f226a4cb4de702225e16" }, { "url": "https://git.kernel.org/stable/c/82462324bf35b6b553400af1c1aa265069cee28f" }, { "url": "https://git.kernel.org/stable/c/9cdd3128874f5fe759e2c4e1360ab7fb96a8d1df" } ], "title": "jffs2: fix memory leak in jffs2_scan_medium", "x_generator": { "engine": "bippy-1.2.0" } }, "adp": [ { "metrics": [ { "cvssV3_1": { "scope": "UNCHANGED", "version": "3.1", "baseScore": 5.5, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "NONE" } }, { "other": { "type": "ssvc", "content": { "id": "CVE-2022-49276", "role": "CISA Coordinator", "options": [ { "Exploitation": "none" }, { "Automatable": "no" }, { "Technical Impact": "partial" } ], "version": "2.0.3", "timestamp": "2025-10-01T19:45:34.710725Z" } } } ], "problemTypes": [ { "descriptions": [ { "lang": "en", "type": "CWE", "cweId": "CWE-401", "description": "CWE-401 Missing Release of Memory after Effective Lifetime" } ] } ], "title": "CISA ADP Vulnrichment", "providerMetadata": { "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-10-01T19:47:01.833Z" } } ] } }