{"id":"CVE-2023-53622","title":"gfs2: Fix possible data races in gfs2_show_options()","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\ngfs2: Fix possible data races in gfs2_show_options()\n\nSome fields such as gt_logd_secs of the struct gfs2_tune are accessed\nwithout holding the lock gt_spin in gfs2_sho…","severity":"none","vendor":"Linux","product":"Linux","affected":["Linux >= 48c2b613616235d7c97fda5982f50100a6c79166 < 7e5bbeb7eb813bb2568e1d5d02587df943272e57","Linux >= 48c2b613616235d7c97fda5982f50100a6c79166 < 235a5ae73cea29109a3e06f100493f17857e6a93","Linux >= 48c2b613616235d7c97fda5982f50100a6c79166 < b4a7ab57effbed42624842f2ab2a49b177c21a47","Linux >= 48c2b613616235d7c97fda5982f50100a6c79166 < 7c5b2649f6a37d45bfb7abf34c9b71d08677139f","Linux >= 48c2b613616235d7c97fda5982f50100a6c79166 < 85e888150075cb221270b64bf772341fc6bd11d9","Linux >= 48c2b613616235d7c97fda5982f50100a6c79166 < a4f71523ed2123d63b431cc0cea4e9f363a0f054","Linux >= 48c2b613616235d7c97fda5982f50100a6c79166 < 42077d4de49e4d9c773c97c42d5383b4899a8f9d","Linux >= 48c2b613616235d7c97fda5982f50100a6c79166 < 6fa0a72cbbe45db4ed967a51f9e6f4e3afe61d20","Linux 2.6.31"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-11-05T20:25:50.736046Z"},"published":"2025-10-07","updated":"2026-11-05","sourceUpdated":"2026-11-05T20:31:18.098Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2023-53622","references":[{"url":"https://git.kernel.org/stable/c/7e5bbeb7eb813bb2568e1d5d02587df943272e57"},{"url":"https://git.kernel.org/stable/c/235a5ae73cea29109a3e06f100493f17857e6a93"},{"url":"https://git.kernel.org/stable/c/b4a7ab57effbed42624842f2ab2a49b177c21a47"},{"url":"https://git.kernel.org/stable/c/7c5b2649f6a37d45bfb7abf34c9b71d08677139f"},{"url":"https://git.kernel.org/stable/c/85e888150075cb221270b64bf772341fc6bd11d9"},{"url":"https://git.kernel.org/stable/c/a4f71523ed2123d63b431cc0cea4e9f363a0f054"},{"url":"https://git.kernel.org/stable/c/42077d4de49e4d9c773c97c42d5383b4899a8f9d"},{"url":"https://git.kernel.org/stable/c/6fa0a72cbbe45db4ed967a51f9e6f4e3afe61d20"}],"tags":["cve.org"],"epss":0.00147,"epssPercentile":0.0396,"ingestedAt":"2026-11-05T22:38:31.819Z","slug":"CVE-2023-53622","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\ngfs2: Fix possible data races in gfs2_show_options()\n\nSome fields such as gt_logd_secs of the struct gfs2_tune are accessed\nwithout holding the lock gt_spin in gfs2_show_options():\n\n  val = sdp->sd_tune.gt_logd_secs;\n  if (val != 30)\n    seq_printf(s, \",commit=%d\", val);\n\nAnd thus can cause data races when gfs2_show_options() and other functions\nsuch as gfs2_reconfigure() are concurrently executed:\n\n  spin_lock(&gt->gt_spin);\n  gt->gt_logd_secs = newargs->ar_commit;\n\nTo fix these possible data races, the lock sdp->sd_tune.gt_spin is\nacquired before accessing the fields of gfs2_tune and released after these\naccesses.\n\nFurther changes by Andreas:\n\n- Don't hold the spin lock over the seq_printf operations.\n\n## Affected\n\n- `Linux >= 48c2b613616235d7c97fda5982f50100a6c79166 < 7e5bbeb7eb813bb2568e1d5d02587df943272e57`\n- `Linux >= 48c2b613616235d7c97fda5982f50100a6c79166 < 235a5ae73cea29109a3e06f100493f17857e6a93`\n- `Linux >= 48c2b613616235d7c97fda5982f50100a6c79166 < b4a7ab57effbed42624842f2ab2a49b177c21a47`\n- `Linux >= 48c2b613616235d7c97fda5982f50100a6c79166 < 7c5b2649f6a37d45bfb7abf34c9b71d08677139f`\n- `Linux >= 48c2b613616235d7c97fda5982f50100a6c79166 < 85e888150075cb221270b64bf772341fc6bd11d9`\n- `Linux >= 48c2b613616235d7c97fda5982f50100a6c79166 < a4f71523ed2123d63b431cc0cea4e9f363a0f054`\n- `Linux >= 48c2b613616235d7c97fda5982f50100a6c79166 < 42077d4de49e4d9c773c97c42d5383b4899a8f9d`\n- `Linux >= 48c2b613616235d7c97fda5982f50100a6c79166 < 6fa0a72cbbe45db4ed967a51f9e6f4e3afe61d20`\n- `Linux 2.6.31`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":3,"depthScoreParts":{"impact":2.8,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}