{"id":"CVE-2022-48804","url":"https://www.cyber-defence.io/tools/cve/CVE-2022-48804","generatedAt":"2026-10-27T18:44:59.515Z","title":"In the Linux kernel, the following vulnerability has been resolved: vt_ioctl: fix array_index_nospec in vt_setactivate array_index_nospec ensures that an out-of-bounds value is set to zero on the transient path.","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nvt_ioctl: fix array_index_nospec in vt_setactivate\n\narray_index_nospec ensures that an out-of-bounds value is set to zero\non the transient path. Decreasing the value by one afterwards causes\na transient integer underflow. vsa.console should be decreased first\nand then sanitized with array_index_nospec.\n\nKasper Acknowledgements: Jakob Koschel, Brian Johannesmeyer, Kaveh\nRazavi, Herbert Bos, Cristiano Giuffrida from the VUSec group at VU\nAmsterdam.","published":"2024-07-16T12:15:05.000Z","lastModified":"2026-06-17T05:16:14.000Z","status":"Modified","sourceIdentifier":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","cvss":{"version":"3.1","score":5.5,"severity":"MEDIUM","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"},"cwe":["CWE-191"],"affected":["linux/linux kernel"],"epss":{"score":0.00308,"percentile":0.23467,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"low","text":"Lower severity and a low EPSS score (0.31%). Track it; it rarely justifies an emergency change on its own."},"changes":[],"references":[{"url":"https://git.kernel.org/stable/c/170325aba4608bde3e7d21c9c19b7bc266ac0885","tags":["Patch"],"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/2a45a6bd1e6d651770aafff57ab3e1d3bb0b42e0","tags":["Patch"],"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/61cc70d9e8ef5b042d4ed87994d20100ec8896d9","tags":["Patch"],"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/6550bdf52846f85a2a3726a5aa0c7c4399f2fc02","tags":["Patch"],"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/778302ca09498b448620edd372dc908bebf80bdf","tags":["Patch"],"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/830c5aa302ec16b4ee641aec769462c37f802c90","tags":["Patch"],"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/ae3d57411562260ee3f4fd5e875f410002341104","tags":["Patch"],"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/ffe54289b02e9c732d6f04c8ebbe3b2d90d32118","tags":["Patch"],"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/170325aba4608bde3e7d21c9c19b7bc266ac0885","tags":["Patch"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://git.kernel.org/stable/c/2a45a6bd1e6d651770aafff57ab3e1d3bb0b42e0","tags":["Patch"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://git.kernel.org/stable/c/61cc70d9e8ef5b042d4ed87994d20100ec8896d9","tags":["Patch"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://git.kernel.org/stable/c/6550bdf52846f85a2a3726a5aa0c7c4399f2fc02","tags":["Patch"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://git.kernel.org/stable/c/778302ca09498b448620edd372dc908bebf80bdf","tags":["Patch"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://git.kernel.org/stable/c/830c5aa302ec16b4ee641aec769462c37f802c90","tags":["Patch"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://git.kernel.org/stable/c/ae3d57411562260ee3f4fd5e875f410002341104","tags":["Patch"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://git.kernel.org/stable/c/ffe54289b02e9c732d6f04c8ebbe3b2d90d32118","tags":["Patch"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2022-48804","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}