https://vulnerability.circl.lu/sightings/feed 2026-05-08T13:06:13.828258+00:00 Vulnerability-Lookup info@circl.lu python-feedgen Contains only the most 10 recent sightings. https://vulnerability.circl.lu/sighting/42a84cbf-5a59-479c-96cc-f24f48b51e0d/export 2026-05-08T13:06:14.213850+00:00 Automation user http://vulnerability.circl.lu/user/automation {"uuid": "42a84cbf-5a59-479c-96cc-f24f48b51e0d", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2025-21832", "type": "published-proof-of-concept", "source": "https://t.me/DarkWebInformer_CVEAlerts/6704", "content": "\ud83d\udd17 DarkWebInformer.com - Cyber Threat Intelligence\n\ud83d\udccc CVE ID: CVE-2025-21832\n\ud83d\udd25 CVSS Score: N/A\n\ud83d\udd39 Description: In the Linux kernel, the following vulnerability has been resolved:\n\nblock: don't revert iter for -EIOCBQUEUED\n\nblkdev_read_iter() has a few odd checks, like gating the position and\ncount adjustment on whether or not the result is bigger-than-or-equal to\nzero (where bigger than makes more sense), and not checking the return\nvalue of blkdev_direct_IO() before doing an iov_iter_revert(). The\nlatter can lead to attempting to revert with a negative value, which\nwhen passed to iov_iter_revert() as an unsigned value will lead to\nthrowing a WARN_ON() because unroll is bigger than MAX_RW_COUNT.\n\nBe sane and don't revert for -EIOCBQUEUED, like what is done in other\nspots.\n\ud83d\udccf Published: 2025-03-06T16:22:34.125Z\n\ud83d\udccf Modified: 2025-03-06T16:22:34.125Z\n\ud83d\udd17 References:\n1. https://git.kernel.org/stable/c/6c26619effb1b4cb7d20b4e666ab8f71f6a53ccb\n2. https://git.kernel.org/stable/c/84671b0630ccb46ae9f1f99a45c7d63ffcd6a474\n3. https://git.kernel.org/stable/c/68f16d3034a06661245ecd22f0d586a8b4e7c473\n4. https://git.kernel.org/stable/c/a58f136bad29f9ae721a29d98c042fddbee22f77\n5. https://git.kernel.org/stable/c/b13ee668e8280ca5b07f8ce2846b9957a8a10853", "creation_timestamp": "2025-03-06T16:34:02.000000Z"} 2025-03-06T16:34:02+00:00 https://vulnerability.circl.lu/sighting/fbde75ea-014a-4166-ad2b-69c3b1d6df89/export 2026-05-08T13:06:14.213712+00:00 Automation user http://vulnerability.circl.lu/user/automation {"uuid": "fbde75ea-014a-4166-ad2b-69c3b1d6df89", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2025-21832", "type": "seen", "source": "https://t.me/cvedetector/19718", "content": "{\n \"Source\": \"CVE FEED\",\n \"Title\": \"CVE-2025-21832 - Linux Kernel Block Device I/O Reversion Vulnerability\", \n \"Content\": \"CVE ID : CVE-2025-21832 \nPublished : March 6, 2025, 5:15 p.m. | 1\u00a0hour ago \nDescription : In the Linux kernel, the following vulnerability has been resolved: \n \nblock: don't revert iter for -EIOCBQUEUED \n \nblkdev_read_iter() has a few odd checks, like gating the position and \ncount adjustment on whether or not the result is bigger-than-or-equal to \nzero (where bigger than makes more sense), and not checking the return \nvalue of blkdev_direct_IO() before doing an iov_iter_revert(). The \nlatter can lead to attempting to revert with a negative value, which \nwhen passed to iov_iter_revert() as an unsigned value will lead to \nthrowing a WARN_ON() because unroll is bigger than MAX_RW_COUNT. \n \nBe sane and don't revert for -EIOCBQUEUED, like what is done in other \nspots. \nSeverity: 0.0 | NA \nVisit the link for more details, such as CVSS details, affected products, timeline, and more...\",\n \"Detection Date\": \"06 Mar 2025\",\n \"Type\": \"Vulnerability\"\n}\n\ud83d\udd39 t.me/cvedetector \ud83d\udd39", "creation_timestamp": "2025-03-06T19:41:35.000000Z"} 2025-03-06T19:41:35+00:00 https://vulnerability.circl.lu/sighting/2c83fe6e-fb83-4f0e-88ad-651b0cf0e06e/export 2026-05-08T13:06:14.212178+00:00 Automation user http://vulnerability.circl.lu/user/automation {"uuid": "2c83fe6e-fb83-4f0e-88ad-651b0cf0e06e", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2025-21832", "type": "seen", "source": "https://t.me/DarkWebInformer_CVEAlerts/15903", "content": "\ud83d\udd17 DarkWebInformer.com - Cyber Threat Intelligence\n\ud83d\udccc CVE ID: CVE-2025-21832\n\ud83d\udd25 CVSS Score: N/A\n\ud83d\udd39 Description: In the Linux kernel, the following vulnerability has been resolved:\n\nblock: don't revert iter for -EIOCBQUEUED\n\nblkdev_read_iter() has a few odd checks, like gating the position and\ncount adjustment on whether or not the result is bigger-than-or-equal to\nzero (where bigger than makes more sense), and not checking the return\nvalue of blkdev_direct_IO() before doing an iov_iter_revert(). The\nlatter can lead to attempting to revert with a negative value, which\nwhen passed to iov_iter_revert() as an unsigned value will lead to\nthrowing a WARN_ON() because unroll is bigger than MAX_RW_COUNT.\n\nBe sane and don't revert for -EIOCBQUEUED, like what is done in other\nspots.\n\ud83d\udccf Published: 2025-03-06T16:22:34.125Z\n\ud83d\udccf Modified: 2025-05-10T16:48:42.602Z\n\ud83d\udd17 References:\n1. https://git.kernel.org/stable/c/6c26619effb1b4cb7d20b4e666ab8f71f6a53ccb\n2. https://git.kernel.org/stable/c/84671b0630ccb46ae9f1f99a45c7d63ffcd6a474\n3. https://git.kernel.org/stable/c/68f16d3034a06661245ecd22f0d586a8b4e7c473\n4. https://git.kernel.org/stable/c/a58f136bad29f9ae721a29d98c042fddbee22f77\n5. https://git.kernel.org/stable/c/b13ee668e8280ca5b07f8ce2846b9957a8a10853", "creation_timestamp": "2025-05-10T17:38:12.000000Z"} 2025-05-10T17:38:12+00:00 https://vulnerability.circl.lu/sighting/75ca6876-4d84-497d-8cd5-7c9c4db14984/export 2026-05-08T13:06:14.209333+00:00 Joseph Lee http://vulnerability.circl.lu/user/syspect {"uuid": "75ca6876-4d84-497d-8cd5-7c9c4db14984", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "86ecb4e1-bb32-44d5-9f39-8a4673af8385", "vulnerability": "CVE-2025-21832", "type": "seen", "source": "https://www.cert.ssi.gouv.fr/avis/CERTFR-2026-AVI-0316/", "content": "", "creation_timestamp": "2026-03-19T00:00:00.000000Z"} 2026-03-19T00:00:00+00:00