{ "schemaVersion": 1, "attribution": [ { "source": "CISA Known Exploited Vulnerabilities", "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog", "licence": "US government work" }, { "source": "GitHub Advisory Database", "url": "https://github.com/advisories", "licence": "CC BY 4.0" }, { "source": "Have I Been Pwned", "url": "https://haveibeenpwned.com/", "licence": "CC BY 4.0" }, { "source": "CVE Program (CVE records)", "url": "https://www.cve.org/Legal/TermsOfUse", "licence": "CVE Terms of Use", "notice": "Copyright © 1999-2026, The MITRE Corporation. CVE is a trademark and the CVE logo is a registered trademark of The MITRE Corporation.", "terms": "CVE Usage: MITRE hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute Common Vulnerabilities and Exposures (CVE™). Any copy you make for such purposes is authorized provided that you reproduce MITRE's copyright designation and this license in any such copy." }, { "source": "FIRST EPSS", "url": "https://www.first.org/epss/", "licence": "free to use; FIRST requests attribution" } ], "record": { "id": "CVE-2022-50094", "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2022-50094", "idYear": 2022, "status": "PUBLISHED", "publishedAt": "2025-06-18T11:02:32.591Z", "updatedAt": "2026-05-11T19:12:42.927Z", "importedAt": "2026-10-24T01:56:49.724Z", "snapshot": { "id": "cve_2026-10-24_midnight_baseline", "at": "2026-10-24T00:00:00.000Z", "source": "https://github.com/CVEProject/cvelistV5/releases/tag/cve_2026-10-24_0100Z" }, "facts": { "title": "spmi: trace: fix stack-out-of-bound access in SPMI tracing functions", "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\nspmi: trace: fix stack-out-of-bound access in SPMI tracing functions\n\ntrace_spmi_write_begin() and trace_spmi_read_end() both call\nmemcpy() with a length of \"len + 1\". This leads to one extra\nbyte being read beyond the end of the specified buffer. Fix\nthis out-of-bound memory access by using a length of \"len\"\ninstead.\n\nHere is a KASAN log showing the issue:\n\nBUG: KASAN: stack-out-of-bounds in trace_event_raw_event_spmi_read_end+0x1d0/0x234\nRead of size 2 at addr ffffffc0265b7540 by task thermal@2.0-ser/1314\n...\nCall trace:\n dump_backtrace+0x0/0x3e8\n show_stack+0x2c/0x3c\n dump_stack_lvl+0xdc/0x11c\n print_address_description+0x74/0x384\n kasan_report+0x188/0x268\n kasan_check_range+0x270/0x2b0\n memcpy+0x90/0xe8\n trace_event_raw_event_spmi_read_end+0x1d0/0x234\n spmi_read_cmd+0x294/0x3ac\n spmi_ext_register_readl+0x84/0x9c\n regmap_spmi_ext_read+0x144/0x1b0 [regmap_spmi]\n _regmap_raw_read+0x40c/0x754\n regmap_raw_read+0x3a0/0x514\n regmap_bulk_read+0x418/0x494\n adc5_gen3_poll_wait_hs+0xe8/0x1e0 [qcom_spmi_adc5_gen3]\n ...\n __arm64_sys_read+0x4c/0x60\n invoke_syscall+0x80/0x218\n el0_svc_common+0xec/0x1c8\n ...\n\naddr ffffffc0265b7540 is located in stack of task thermal@2.0-ser/1314 at offset 32 in frame:\n adc5_gen3_poll_wait_hs+0x0/0x1e0 [qcom_spmi_adc5_gen3]\n\nthis frame has 1 object:\n [32, 33) 'status'\n\nMemory state around the buggy address:\n ffffffc0265b7400: 00 00 00 00 00 00 00 00 00 00 00 00 f1 f1 f1 f1\n ffffffc0265b7480: 04 f3 f3 f3 00 00 00 00 00 00 00 00 00 00 00 00\n>ffffffc0265b7500: 00 00 00 00 f1 f1 f1 f1 01 f3 f3 f3 00 00 00 00\n ^\n ffffffc0265b7580: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00\n ffffffc0265b7600: f1 f1 f1 f1 01 f2 07 f2 f2 f2 01 f3 00 00 00 00\n==================================================================", "affected": [ { "vendor": "Linux", "product": "Linux", "defaultStatus": "unaffected", "versions": [ { "version": "a9fce374815d8ab94a3e6259802a944e2cc21408", "status": "affected", "versionType": "git", "lessThan": "80f7c93e573ea9f524924bb529c2af8cb28b1c43" }, { "version": "a9fce374815d8ab94a3e6259802a944e2cc21408", "status": "affected", "versionType": "git", "lessThan": "dc6033a7761254e5a5ba7df36b64db787a53313c" }, { "version": "a9fce374815d8ab94a3e6259802a944e2cc21408", "status": "affected", "versionType": "git", "lessThan": "ac730c72bddc889f5610d51d8a7abf425e08da1a" }, { "version": "a9fce374815d8ab94a3e6259802a944e2cc21408", "status": "affected", "versionType": "git", "lessThan": "37690cb8662cec672cacda19e6e4fd2ca7b13f0b" }, { "version": "a9fce374815d8ab94a3e6259802a944e2cc21408", "status": "affected", "versionType": "git", "lessThan": "dd02510fb43168310abfd0b9ccf49993a722fb91" }, { "version": "a9fce374815d8ab94a3e6259802a944e2cc21408", "status": "affected", "versionType": "git", "lessThan": "1e0ca3d809c36ad3d1f542917718fc22ec6316e7" }, { "version": "a9fce374815d8ab94a3e6259802a944e2cc21408", "status": "affected", "versionType": "git", "lessThan": "bcc1b6b1ed3f42ed25858c1f1eb24a2f741db93f" }, { "version": "a9fce374815d8ab94a3e6259802a944e2cc21408", "status": "affected", "versionType": "git", "lessThan": "504090815c1ad3fd3fa34618b54d706727f8911c" }, { "version": "a9fce374815d8ab94a3e6259802a944e2cc21408", "status": "affected", "versionType": "git", "lessThan": "2af28b241eea816e6f7668d1954f15894b45d7e3" } ] }, { "vendor": "Linux", "product": "Linux", "defaultStatus": "affected", "versions": [ { "version": "4.3", "status": "affected" }, { "version": "0", "status": "unaffected", "versionType": "semver", "lessThan": "4.3" }, { "version": "4.9.326", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "4.9.*" }, { "version": "4.14.291", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "4.14.*" }, { "version": "4.19.256", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "4.19.*" }, { "version": "5.4.211", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "5.4.*" }, { "version": "5.10.137", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "5.10.*" }, { "version": "5.15.61", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "5.15.*" }, { "version": "5.18.18", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "5.18.*" }, { "version": "5.19.2", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "5.19.*" }, { "version": "6.0", "status": "unaffected", "versionType": "original_commit_for_fix", "lessThanOrEqual": "*" } ] } ] } } }