{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-06-12T12:18:39.453","vulnerabilities":[{"cve":{"id":"CVE-2023-53481","sourceIdentifier":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","published":"2025-10-01T12:15:50.743","lastModified":"2026-01-20T16:36:55.173","vulnStatus":"Analyzed","cveTags":[],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nubi: ubi_wl_put_peb: Fix infinite loop when wear-leveling work failed\n\nFollowing process will trigger an infinite loop in ubi_wl_put_peb():\n\n\tubifs_bgt\t\tubi_bgt\nubifs_leb_unmap\n  ubi_leb_unmap\n    ubi_eba_unmap_leb\n      ubi_wl_put_peb\twear_leveling_worker\n                          e1 = rb_entry(rb_first(&ubi->used)\n\t\t\t  e2 = get_peb_for_wl(ubi)\n\t\t\t  ubi_io_read_vid_hdr  // return err (flash fault)\n\t\t\t  out_error:\n\t\t\t    ubi->move_from = ubi->move_to = NULL\n\t\t\t    wl_entry_destroy(ubi, e1)\n\t\t\t      ubi->lookuptbl[e->pnum] = NULL\n      retry:\n        e = ubi->lookuptbl[pnum];\t// return NULL\n\tif (e == ubi->move_from) {\t// NULL == NULL gets true\n\t  goto retry;\t\t\t// infinite loop !!!\n\n$ top\n  PID USER      PR  NI    VIRT    RES    SHR S  %CPU %MEM     COMMAND\n  7676 root     20   0       0      0      0 R 100.0  0.0  ubifs_bgt0_0\n\nFix it by:\n 1) Letting ubi_wl_put_peb() returns directly if wearl leveling entry has\n    been removed from 'ubi->lookuptbl'.\n 2) Using 'ubi->wl_lock' protecting wl entry deletion to preventing an\n    use-after-free problem for wl entry in ubi_wl_put_peb().\n\nFetch a reproducer in [Link]."}],"metrics":{"cvssMetricV31":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","baseScore":5.5,"baseSeverity":"MEDIUM","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH"},"exploitabilityScore":1.8,"impactScore":3.6}]},"weaknesses":[{"source":"nvd@nist.gov","type":"Primary","description":[{"lang":"en","value":"CWE-835"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.25","versionEndExcluding":"4.14.308","matchCriteriaId":"3619A302-E12E-46AC-B1E4-182D5643C493"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.15","versionEndExcluding":"4.19.276","matchCriteriaId":"C902FC54-DDBD-4DA6-BFEF-26889A267464"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.20","versionEndExcluding":"5.4.235","matchCriteriaId":"13DD5E68-8CB4-46EE-9A8F-C7F6C1A84430"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.5","versionEndExcluding":"5.10.173","matchCriteriaId":"4D810CFB-B7C5-493C-B98A-0D5F0D8A47B6"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.11","versionEndExcluding":"5.15.100","matchCriteriaId":"6D7E5BB5-018B-46B7-A2C4-1ADB75099822"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.16","versionEndExcluding":"6.1.18","matchCriteriaId":"C8D24FD5-5A98-4042-9419-39DCFCBEFFF5"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.2","versionEndExcluding":"6.2.5","matchCriteriaId":"0575B33B-A320-4E51-84CA-10C937341E02"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/3afaaf6f5867dc4ad383808d4053f428ec7b867d","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/4d57a7333e26040f2b583983e1970d9d460e56b0","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/5af1c643184a5d09ff5b3f334077a4d0a163c677","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/8a18856e074479bd050b01e688c58defadce7ab0","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/b40d2fbf47af58377e898b5062077a47bb28a132","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/b5be23f6ae610bdb262160a1f294afee6d0e6a69","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/cc4bc532acda66189bddc03b3fe1ad689d9a48a2","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/f006f596fe851c3b6aae60b79f89f89f0e515d2f","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]}]}}]}