{"id":"CVE-2024-42079","state":"PUBLISHED","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).","publishedAt":"2024-07-29T15:52:41.360Z","updatedAt":"2026-10-15T00:47:28.026Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"82218943058d5e3fe692a38b5a549479738dab33","status":"affected","lessThan":"c3c5cfa3170c0940bc66a142859caac07d19b9d6","versionType":"git"},{"version":"82218943058d5e3fe692a38b5a549479738dab33","status":"affected","lessThan":"5f6a84cfb33b34610623857bd93919dcb661e29b","versionType":"git"},{"version":"82218943058d5e3fe692a38b5a549479738dab33","status":"affected","lessThan":"3429ef5f50909cee9e498c50f0c499b9397116ce","versionType":"git"},{"version":"82218943058d5e3fe692a38b5a549479738dab33","status":"affected","lessThan":"f54f9d5368a4e92ede7dd078a62788dae3a7c6ef","versionType":"git"},{"version":"82218943058d5e3fe692a38b5a549479738dab33","status":"affected","lessThan":"35264909e9d1973ab9aaa2a1b07cda70f12bb828","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/gfs2/log.c","fs/gfs2/super.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.12","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.12","versionType":"semver"},{"version":"5.15.200","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.162","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.37","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.9.8","status":"unaffected","lessThanOrEqual":"6.9.*","versionType":"semver"},{"version":"6.10","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/gfs2/log.c","fs/gfs2/super.c"]}],"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","https://cert-portal.siemens.com/productcert/html/ssa-019113.html","https://cert-portal.siemens.com/productcert/html/ssa-457936.html"],"weaknesses":[],"ingestedAt":"2026-10-29T20:07:47.831Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2024/42xxx/CVE-2024-42079.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2024-42079","state":"PUBLISHED","datePublished":"2024-07-29T15:52:41.360Z","dateUpdated":"2026-10-15T00:47:28.026Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2024-07-29T15:50:41.169Z"},"containers":{"cna":{"title":"gfs2: Fix NULL pointer dereference in gfs2_log_flush","descriptions":[{"lang":"en","value":"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)."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"82218943058d5e3fe692a38b5a549479738dab33","status":"affected","lessThan":"c3c5cfa3170c0940bc66a142859caac07d19b9d6","versionType":"git"},{"version":"82218943058d5e3fe692a38b5a549479738dab33","status":"affected","lessThan":"5f6a84cfb33b34610623857bd93919dcb661e29b","versionType":"git"},{"version":"82218943058d5e3fe692a38b5a549479738dab33","status":"affected","lessThan":"3429ef5f50909cee9e498c50f0c499b9397116ce","versionType":"git"},{"version":"82218943058d5e3fe692a38b5a549479738dab33","status":"affected","lessThan":"f54f9d5368a4e92ede7dd078a62788dae3a7c6ef","versionType":"git"},{"version":"82218943058d5e3fe692a38b5a549479738dab33","status":"affected","lessThan":"35264909e9d1973ab9aaa2a1b07cda70f12bb828","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/gfs2/log.c","fs/gfs2/super.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.12","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.12","versionType":"semver"},{"version":"5.15.200","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.162","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.37","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.9.8","status":"unaffected","lessThanOrEqual":"6.9.*","versionType":"semver"},{"version":"6.10","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/gfs2/log.c","fs/gfs2/super.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/c3c5cfa3170c0940bc66a142859caac07d19b9d6"},{"url":"https://git.kernel.org/stable/c/5f6a84cfb33b34610623857bd93919dcb661e29b"},{"url":"https://git.kernel.org/stable/c/3429ef5f50909cee9e498c50f0c499b9397116ce"},{"url":"https://git.kernel.org/stable/c/f54f9d5368a4e92ede7dd078a62788dae3a7c6ef"},{"url":"https://git.kernel.org/stable/c/35264909e9d1973ab9aaa2a1b07cda70f12bb828"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T20:26:35.078Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.12","versionEndExcluding":"5.15.200"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.12","versionEndExcluding":"6.1.162"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.12","versionEndExcluding":"6.6.37"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.12","versionEndExcluding":"6.9.8"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.12","versionEndExcluding":"6.10"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}},"adp":[{"title":"CVE Program Container","references":[{"url":"https://git.kernel.org/stable/c/3429ef5f50909cee9e498c50f0c499b9397116ce","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/f54f9d5368a4e92ede7dd078a62788dae3a7c6ef","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/35264909e9d1973ab9aaa2a1b07cda70f12bb828","tags":["x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-02T04:54:31.753Z"}},{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"id":"CVE-2024-42079","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"version":"2.0.3","timestamp":"2024-09-10T16:19:17.192306Z"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2024-09-11T17:33:07.945Z"}},{"affected":[{"vendor":"Siemens","product":"SIMATIC S7-1500 CPU 1518-4 PN/DP MFP","defaultStatus":"unknown","versions":[{"version":"V3.1.6","status":"affected","lessThan":"*","versionType":"custom"}]},{"vendor":"Siemens","product":"SIMATIC S7-1500 CPU 1518-4 PN/DP MFP","defaultStatus":"unknown","versions":[{"version":"V3.1.7","status":"affected","lessThan":"*","versionType":"custom"}]},{"vendor":"Siemens","product":"SIMATIC S7-1500 CPU 1518-4 PN/DP MFP","defaultStatus":"unknown","versions":[{"version":"V3.1.6","status":"affected","lessThan":"*","versionType":"custom"}]},{"vendor":"Siemens","product":"SIMATIC S7-1500 CPU 1518-4 PN/DP MFP","defaultStatus":"unknown","versions":[{"version":"V3.1.7","status":"affected","lessThan":"*","versionType":"custom"}]},{"vendor":"Siemens","product":"SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP","defaultStatus":"unknown","versions":[{"version":"V3.1.6","status":"affected","lessThan":"*","versionType":"custom"}]},{"vendor":"Siemens","product":"SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP","defaultStatus":"unknown","versions":[{"version":"V3.1.7","status":"affected","lessThan":"*","versionType":"custom"}]},{"vendor":"Siemens","product":"SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP","defaultStatus":"unknown","versions":[{"version":"V3.1.6","status":"affected","lessThan":"*","versionType":"custom"}]},{"vendor":"Siemens","product":"SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP","defaultStatus":"unknown","versions":[{"version":"V3.1.7","status":"affected","lessThan":"*","versionType":"custom"}]},{"vendor":"Siemens","product":"SIPLUS S7-1500 CPU 1518-4 PN/DP MFP","defaultStatus":"unknown","versions":[{"version":"V3.1.6","status":"affected","lessThan":"*","versionType":"custom"}]},{"vendor":"Siemens","product":"SIPLUS S7-1500 CPU 1518-4 PN/DP MFP","defaultStatus":"unknown","versions":[{"version":"V3.1.7","status":"affected","lessThan":"*","versionType":"custom"}]}],"references":[{"url":"https://cert-portal.siemens.com/productcert/html/ssa-019113.html"},{"url":"https://cert-portal.siemens.com/productcert/html/ssa-457936.html"}],"providerMetadata":{"shortName":"siemens-SADP","orgId":"0b142b55-0307-4c5a-b3c9-f314f3fb7c5e","dateUpdated":"2026-10-15T00:47:28.026Z"},"x_adpType":"supplier"}]}}}