{"cve":"CVE-2024-37078","nvd":{"published":"2024-06-25T15:15:12.287","modified":"2026-08-04T11:18:38.800","status":"Modified","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nnilfs2: fix potential kernel bug due to lack of writeback flag waiting\n\nDestructive writes to a block device on which nilfs2 is mounted can cause\na kernel bug in the folio/page writeback start routine or writeback end\nroutine (__folio_start_writeback in the log below):\n\n kernel BUG at mm/page-writeback.c:3070!\n Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN PTI\n ...\n RIP: 0010:__folio_start_writeback+0xbaa/0x10e0\n Code: 25 ff 0f 00 00 0f 84 18 01 00 00 e8 40 ca c6 ff e9 17 f6 ff ff\n  e8 36 ca c6 ff 4c 89 f7 48 c7 c6 80 c0 12 84 e8 e7 b3 0f 00 90 <0f>\n  0b e8 1f ca c6 ff 4c 89 f7 48 c7 c6 a0 c6 12 84 e8 d0 b3 0f 00\n ...\n Call Trace:\n  <TASK>\n  nilfs_segctor_do_construct+0x4654/0x69d0 [nilfs2]\n  nilfs_segctor_construct+0x181/0x6b0 [nilfs2]\n  nilfs_segctor_thread+0x548/0x11c0 [nilfs2]\n  kthread+0x2f0/0x390\n  ret_from_fork+0x4b/0x80\n  ret_from_fork_asm+0x1a/0x30\n  </TASK>\n\nThis is because when the log writer starts a writeback for segment summary\nblocks or a super root block that use the backing device's page cache, it\ndoes not wait for the ongoing folio/page writeback, resulting in an\ninconsistent writeback state.\n\nFix this issue by waiting for ongoing writebacks when putting\nfolios/pages on the backing device into writeback state.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H","score":7.1},"cwes":[],"references":["https://git.kernel.org/stable/c/0ecfe3a92869a59668d27228dabbd7965e83567f","https://git.kernel.org/stable/c/1f3bff69f1214fe03a02bc650d5bbfaa6e65ae7d","https://git.kernel.org/stable/c/271dcd977ccda8c7a26e360425ae7b4db7d2ecc0","https://git.kernel.org/stable/c/33900d7eae616647e179eee1c66ebe654ee39627","https://git.kernel.org/stable/c/614d397be0cf43412b3f94a0f6460eddced8ce92"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T21:52:00.836172422+00:00"},"epss":{"cve":"CVE-2024-37078","score":0.00256,"percentile":0.17328,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}