{"id":"CVE-2022-48891","url":"https://www.cyber-defence.io/tools/cve/CVE-2022-48891","generatedAt":"2026-10-27T17:40:28.099Z","title":"In the Linux kernel, the following vulnerability has been resolved: regulator: da9211: Use irq handler when ready If the system does not come from reset (like when it is kexec()), the regulator might have an IRQ waiting for us.","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nregulator: da9211: Use irq handler when ready\n\nIf the system does not come from reset (like when it is kexec()), the\nregulator might have an IRQ waiting for us.\n\nIf we enable the IRQ handler before its structures are ready, we crash.\n\nThis patch fixes:\n\n[    1.141839] Unable to handle kernel read from unreadable memory at virtual address 0000000000000078\n[    1.316096] Call trace:\n[    1.316101]  blocking_notifier_call_chain+0x20/0xa8\n[    1.322757] cpu cpu0: dummy supplies not allowed for exclusive requests\n[    1.327823]  regulator_notifier_call_chain+0x1c/0x2c\n[    1.327825]  da9211_irq_handler+0x68/0xf8\n[    1.327829]  irq_thread+0x11c/0x234\n[    1.327833]  kthread+0x13c/0x154","published":"2024-08-21T07:15:05.000Z","lastModified":"2026-06-17T05:16:33.000Z","status":"Analyzed","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":[],"affected":["linux/linux kernel"],"epss":{"score":0.0024,"percentile":0.14936,"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 (0.24%). Track it; it rarely justifies an emergency change on its own."},"changes":[],"references":[{"url":"https://git.kernel.org/stable/c/02228f6aa6a64d588bc31e3267d05ff184d772eb","tags":["Patch"],"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/1c1afcb8839b91c09d211ea304faa269763b1f91","tags":["Patch"],"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/470f6a9175f13a53810734658c35cc5bba33be01","tags":["Patch"],"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/ad1336274f733a7cb1f87b5c5908165a2c14df53","tags":["Patch"],"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/d443308edbfb6e9e757b478af908515110d1efd5","tags":["Patch"],"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/d4aa749e046435f054e94ebf50cad143d6229fae","tags":["Patch"],"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/f75cde714e0a67f73ef169aa50d4ed77d04f7236","tags":["Patch"],"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2022-48891","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."}