{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2024-50265", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2024-10-21T19:36:19.982Z", "datePublished": "2024-11-19T01:30:00.861Z", "dateUpdated": "2026-05-11T20:48:46.700Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-11T20:48:46.700Z" }, "descriptions": [ { "lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nocfs2: remove entry once instead of null-ptr-dereference in ocfs2_xa_remove()\n\nSyzkaller is able to provoke null-ptr-dereference in ocfs2_xa_remove():\n\n[ 57.319872] (a.out,1161,7):ocfs2_xa_remove:2028 ERROR: status = -12\n[ 57.320420] (a.out,1161,7):ocfs2_xa_cleanup_value_truncate:1999 ERROR: Partial truncate while removing xattr overlay.upper. Leaking 1 clusters and removing the entry\n[ 57.321727] BUG: kernel NULL pointer dereference, address: 0000000000000004\n[...]\n[ 57.325727] RIP: 0010:ocfs2_xa_block_wipe_namevalue+0x2a/0xc0\n[...]\n[ 57.331328] Call Trace:\n[ 57.331477] \n[...]\n[ 57.333511] ? do_user_addr_fault+0x3e5/0x740\n[ 57.333778] ? exc_page_fault+0x70/0x170\n[ 57.334016] ? asm_exc_page_fault+0x2b/0x30\n[ 57.334263] ? __pfx_ocfs2_xa_block_wipe_namevalue+0x10/0x10\n[ 57.334596] ? ocfs2_xa_block_wipe_namevalue+0x2a/0xc0\n[ 57.334913] ocfs2_xa_remove_entry+0x23/0xc0\n[ 57.335164] ocfs2_xa_set+0x704/0xcf0\n[ 57.335381] ? _raw_spin_unlock+0x1a/0x40\n[ 57.335620] ? ocfs2_inode_cache_unlock+0x16/0x20\n[ 57.335915] ? trace_preempt_on+0x1e/0x70\n[ 57.336153] ? start_this_handle+0x16c/0x500\n[ 57.336410] ? preempt_count_sub+0x50/0x80\n[ 57.336656] ? _raw_read_unlock+0x20/0x40\n[ 57.336906] ? start_this_handle+0x16c/0x500\n[ 57.337162] ocfs2_xattr_block_set+0xa6/0x1e0\n[ 57.337424] __ocfs2_xattr_set_handle+0x1fd/0x5d0\n[ 57.337706] ? ocfs2_start_trans+0x13d/0x290\n[ 57.337971] ocfs2_xattr_set+0xb13/0xfb0\n[ 57.338207] ? dput+0x46/0x1c0\n[ 57.338393] ocfs2_xattr_trusted_set+0x28/0x30\n[ 57.338665] ? ocfs2_xattr_trusted_set+0x28/0x30\n[ 57.338948] __vfs_removexattr+0x92/0xc0\n[ 57.339182] __vfs_removexattr_locked+0xd5/0x190\n[ 57.339456] ? preempt_count_sub+0x50/0x80\n[ 57.339705] vfs_removexattr+0x5f/0x100\n[...]\n\nReproducer uses faultinject facility to fail ocfs2_xa_remove() ->\nocfs2_xa_value_truncate() with -ENOMEM.\n\nIn this case the comment mentions that we can return 0 if\nocfs2_xa_cleanup_value_truncate() is going to wipe the entry\nanyway. But the following 'rc' check is wrong and execution flow do\n'ocfs2_xa_remove_entry(loc);' twice:\n* 1st: in ocfs2_xa_cleanup_value_truncate();\n* 2nd: returning back to ocfs2_xa_remove() instead of going to 'out'.\n\nFix this by skipping the 2nd removal of the same entry and making\nsyzkaller repro happy." } ], "affected": [ { "product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "fs/ocfs2/xattr.c" ], "versions": [ { "version": "399ff3a748cf4c8c853e96dd477153202636527b", "lessThan": "38cbf13b2e7a31362babe411f7c2c3c52cd2734b", "status": "affected", "versionType": "git" }, { "version": "399ff3a748cf4c8c853e96dd477153202636527b", "lessThan": "168a9b8303fcb0317db4c06b23ce1c0ce2af4e10", "status": "affected", "versionType": "git" }, { "version": "399ff3a748cf4c8c853e96dd477153202636527b", "lessThan": "6a7e6dcf90fe7721d0863067b6ca9a9442134692", "status": "affected", "versionType": "git" }, { "version": "399ff3a748cf4c8c853e96dd477153202636527b", "lessThan": "dcc8fe8c83145041cb6c80cac21f6173a3ff0204", "status": "affected", "versionType": "git" }, { "version": "399ff3a748cf4c8c853e96dd477153202636527b", "lessThan": "86dd0e8d42828923c68ad506933336bcd6f2317d", "status": "affected", "versionType": "git" }, { "version": "399ff3a748cf4c8c853e96dd477153202636527b", "lessThan": "dd73c942eed76a014c7a5597e6926435274d2c4c", "status": "affected", "versionType": "git" }, { "version": "399ff3a748cf4c8c853e96dd477153202636527b", "lessThan": "2b5369528ee63c88371816178a05b5e664c87386", "status": "affected", "versionType": "git" }, { "version": "399ff3a748cf4c8c853e96dd477153202636527b", "lessThan": "0b63c0e01fba40e3992bc627272ec7b618ccaef7", "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/ocfs2/xattr.c" ], "versions": [ { "version": "2.6.34", "status": "affected" }, { "version": "0", "lessThan": "2.6.34", "status": "unaffected", "versionType": "semver" }, { "version": "4.19.324", "lessThanOrEqual": "4.19.*", "status": "unaffected", "versionType": "semver" }, { "version": "5.4.286", "lessThanOrEqual": "5.4.*", "status": "unaffected", "versionType": "semver" }, { "version": "5.10.230", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver" }, { "version": "5.15.172", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.1.117", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.6.61", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.11.8", "lessThanOrEqual": "6.11.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.12", "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": "2.6.34", "versionEndExcluding": "4.19.324" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.34", "versionEndExcluding": "5.4.286" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.34", "versionEndExcluding": "5.10.230" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.34", "versionEndExcluding": "5.15.172" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.34", "versionEndExcluding": "6.1.117" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.34", "versionEndExcluding": "6.6.61" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.34", "versionEndExcluding": "6.11.8" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.34", "versionEndExcluding": "6.12" } ] } ] } ], "references": [ { "url": "https://git.kernel.org/stable/c/38cbf13b2e7a31362babe411f7c2c3c52cd2734b" }, { "url": "https://git.kernel.org/stable/c/168a9b8303fcb0317db4c06b23ce1c0ce2af4e10" }, { "url": "https://git.kernel.org/stable/c/6a7e6dcf90fe7721d0863067b6ca9a9442134692" }, { "url": "https://git.kernel.org/stable/c/dcc8fe8c83145041cb6c80cac21f6173a3ff0204" }, { "url": "https://git.kernel.org/stable/c/86dd0e8d42828923c68ad506933336bcd6f2317d" }, { "url": "https://git.kernel.org/stable/c/dd73c942eed76a014c7a5597e6926435274d2c4c" }, { "url": "https://git.kernel.org/stable/c/2b5369528ee63c88371816178a05b5e664c87386" }, { "url": "https://git.kernel.org/stable/c/0b63c0e01fba40e3992bc627272ec7b618ccaef7" } ], "title": "ocfs2: remove entry once instead of null-ptr-dereference in ocfs2_xa_remove()", "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-2024-50265", "role": "CISA Coordinator", "options": [ { "Exploitation": "none" }, { "Automatable": "no" }, { "Technical Impact": "partial" } ], "version": "2.0.3", "timestamp": "2025-10-01T20:15:20.154823Z" } } } ], "problemTypes": [ { "descriptions": [ { "lang": "en", "type": "CWE", "cweId": "CWE-476", "description": "CWE-476 NULL Pointer Dereference" } ] } ], "title": "CISA ADP Vulnrichment", "providerMetadata": { "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-10-01T20:17:23.985Z" } }, { "title": "CVE Program Container", "references": [ { "url": "https://lists.debian.org/debian-lts-announce/2025/03/msg00002.html" }, { "url": "https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html" } ], "providerMetadata": { "orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2025-11-03T22:27:45.242Z" } } ] } }