{"id":"CVE-2024-42079","revision":"ea4fbe73128a4f3a8aeef2c334b72a6a","records":[{"revision":"ea4fbe73128a4f3a8aeef2c334b72a6a","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2024-42079","aliases":[],"title":"gfs2: Fix NULL pointer dereference in gfs2_log_flush","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ngfs2: Fix NULL pointer dereference in gfs2_log_flush\n\nIn gfs2_jindex_free(), set sdp->sd_jdesc to NULL under the log flush\nlock to provide exclusion against gfs2_log_flush().\n\nIn gfs2_log_flush(), check if sdp->sd_jdesc is non-NULL before\ndereferencing it.  Otherwise, we could run into a NULL pointer\ndereference when outstanding glock work races with an unmount\n(glock_work_func -> run_queue -> do_xmote -> inode_go_sync ->\ngfs2_log_flush).","state":0,"publishedAt":"2024-07-29T15:52:41.36+00:00","modifiedAt":"2026-10-15T00:47:28.026+00:00","affected":[{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"product\": \"Linux\",\n                    \"vendor\": \"Linux\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n                    \"programFiles\": [\n                        \"fs/gfs2/log.c\",\n                        \"fs/gfs2/super.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"82218943058d5e3fe692a38b5a549479738dab33\",\n                            \"lessThan\": \"c3c5cfa3170c0940bc66a142859caac07d19b9d6\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"82218943058d5e3fe692a38b5a549479738dab33\",\n                            \"lessThan\": \"5f6a84cfb33b34610623857bd93919dcb661e29b\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"82218943058d5e3fe692a38b5a549479738dab33\",\n                            \"lessThan\": \"3429ef5f50909cee9e498c50f0c499b9397116ce\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"82218943058d5e3fe692a38b5a549479738dab33\",\n                            \"lessThan\": \"f54f9d5368a4e92ede7dd078a62788dae3a7c6ef\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"82218943058d5e3fe692a38b5a549479738dab33\",\n                            \"lessThan\": \"35264909e9d1973ab9aaa2a1b07cda70f12bb828\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        }\n                    ]\n                }"},{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"product\": \"Linux\",\n                    \"vendor\": \"Linux\",\n                    \"defaultStatus\": \"affected\",\n                    \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n                    \"programFiles\": [\n                        \"fs/gfs2/log.c\",\n                        \"fs/gfs2/super.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"5.12\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \"0\",\n                            \"lessThan\": \"5.12\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"5.15.200\",\n                            \"lessThanOrEqual\": \"5.15.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.1.162\",\n                            \"lessThanOrEqual\": \"6.1.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.6.37\",\n                            \"lessThanOrEqual\": \"6.6.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.9.8\",\n                            \"lessThanOrEqual\": \"6.9.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.10\",\n                            \"lessThanOrEqual\": \"*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"original_commit_for_fix\"\n                        }\n                    ]\n                }"}],"metrics":[],"references":["https://git.kernel.org/stable/c/c3c5cfa3170c0940bc66a142859caac07d19b9d6","https://git.kernel.org/stable/c/5f6a84cfb33b34610623857bd93919dcb661e29b","https://git.kernel.org/stable/c/3429ef5f50909cee9e498c50f0c499b9397116ce","https://git.kernel.org/stable/c/f54f9d5368a4e92ede7dd078a62788dae3a7c6ef","https://git.kernel.org/stable/c/35264909e9d1973ab9aaa2a1b07cda70f12bb828"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2024-42079","license":"CVE Program Terms of Use","key":"cve-program:CVE-2024-42079","identifiers":["CVE-2024-42079"]},"retained":false,"historicalAffected":[]}],"coverage":[]}