{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2022-50094", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-06-18T10:57:27.411Z", "datePublished": "2025-06-18T11:02:32.591Z", "dateUpdated": "2026-05-11T19:12:42.927Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-11T19:12:42.927Z" }, "descriptions": [ { "lang": "en", "value": "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": [ { "product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "include/trace/events/spmi.h" ], "versions": [ { "version": "a9fce374815d8ab94a3e6259802a944e2cc21408", "lessThan": "80f7c93e573ea9f524924bb529c2af8cb28b1c43", "status": "affected", "versionType": "git" }, { "version": "a9fce374815d8ab94a3e6259802a944e2cc21408", "lessThan": "dc6033a7761254e5a5ba7df36b64db787a53313c", "status": "affected", "versionType": "git" }, { "version": "a9fce374815d8ab94a3e6259802a944e2cc21408", "lessThan": "ac730c72bddc889f5610d51d8a7abf425e08da1a", "status": "affected", "versionType": "git" }, { "version": "a9fce374815d8ab94a3e6259802a944e2cc21408", "lessThan": "37690cb8662cec672cacda19e6e4fd2ca7b13f0b", "status": "affected", "versionType": "git" }, { "version": "a9fce374815d8ab94a3e6259802a944e2cc21408", "lessThan": "dd02510fb43168310abfd0b9ccf49993a722fb91", "status": "affected", "versionType": "git" }, { "version": "a9fce374815d8ab94a3e6259802a944e2cc21408", "lessThan": "1e0ca3d809c36ad3d1f542917718fc22ec6316e7", "status": "affected", "versionType": "git" }, { "version": "a9fce374815d8ab94a3e6259802a944e2cc21408", "lessThan": "bcc1b6b1ed3f42ed25858c1f1eb24a2f741db93f", "status": "affected", "versionType": "git" }, { "version": "a9fce374815d8ab94a3e6259802a944e2cc21408", "lessThan": "504090815c1ad3fd3fa34618b54d706727f8911c", "status": "affected", "versionType": "git" }, { "version": "a9fce374815d8ab94a3e6259802a944e2cc21408", "lessThan": "2af28b241eea816e6f7668d1954f15894b45d7e3", "status": "affected", "versionType": "git" } ] }, { "product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "include/trace/events/spmi.h" ], "versions": [ { "version": "4.3", "status": "affected" }, { "version": "0", "lessThan": "4.3", "status": "unaffected", "versionType": "semver" }, { "version": "4.9.326", "lessThanOrEqual": "4.9.*", "status": "unaffected", "versionType": "semver" }, { "version": "4.14.291", "lessThanOrEqual": "4.14.*", "status": "unaffected", "versionType": "semver" }, { "version": "4.19.256", "lessThanOrEqual": "4.19.*", "status": "unaffected", "versionType": "semver" }, { "version": "5.4.211", "lessThanOrEqual": "5.4.*", "status": "unaffected", "versionType": "semver" }, { "version": "5.10.137", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver" }, { "version": "5.15.61", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver" }, { "version": "5.18.18", "lessThanOrEqual": "5.18.*", "status": "unaffected", "versionType": "semver" }, { "version": "5.19.2", "lessThanOrEqual": "5.19.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.0", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix" } ] } ], "cpeApplicability": [ { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.3", "versionEndExcluding": "4.9.326" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.3", "versionEndExcluding": "4.14.291" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.3", "versionEndExcluding": "4.19.256" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.3", "versionEndExcluding": "5.4.211" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.3", "versionEndExcluding": "5.10.137" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.3", "versionEndExcluding": "5.15.61" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.3", "versionEndExcluding": "5.18.18" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.3", "versionEndExcluding": "5.19.2" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.3", "versionEndExcluding": "6.0" } ] } ] } ], "references": [ { "url": "https://git.kernel.org/stable/c/80f7c93e573ea9f524924bb529c2af8cb28b1c43" }, { "url": "https://git.kernel.org/stable/c/dc6033a7761254e5a5ba7df36b64db787a53313c" }, { "url": "https://git.kernel.org/stable/c/ac730c72bddc889f5610d51d8a7abf425e08da1a" }, { "url": "https://git.kernel.org/stable/c/37690cb8662cec672cacda19e6e4fd2ca7b13f0b" }, { "url": "https://git.kernel.org/stable/c/dd02510fb43168310abfd0b9ccf49993a722fb91" }, { "url": "https://git.kernel.org/stable/c/1e0ca3d809c36ad3d1f542917718fc22ec6316e7" }, { "url": "https://git.kernel.org/stable/c/bcc1b6b1ed3f42ed25858c1f1eb24a2f741db93f" }, { "url": "https://git.kernel.org/stable/c/504090815c1ad3fd3fa34618b54d706727f8911c" }, { "url": "https://git.kernel.org/stable/c/2af28b241eea816e6f7668d1954f15894b45d7e3" } ], "title": "spmi: trace: fix stack-out-of-bound access in SPMI tracing functions", "x_generator": { "engine": "bippy-1.2.0" } } } }