{"id":"CVE-2026-93272","state":"PUBLISHED","title":"remoteproc: qcom_wcnss: Fix handling the lack of PD regulators in v3","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nremoteproc: qcom_wcnss: Fix handling the lack of PD regulators in v3\n\nThe changes introduced to handle single power domain platforms have\nswapped the info pointer increment from num_pd_vregs to num_pds, which\nwould shift the info pointer past the end of the array for pronto-v3,\nwhich does not list power domain regulators in vregs.\n\nThis showed up as a difference between GCC- and LLVM-compiled kernels\non SDM632 devices, where only with LLVM one would get the\n\"regulator request with no identifier\" error, because the out-of-bounds\nmemory ended up being zeroed. Fix by skipping the increment when there\nare more power domains than regulators.","publishedAt":"2026-09-24T15:52:14.274Z","updatedAt":"2026-10-30T12:36:37.528Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"8d0d4c11cace475f1b07f98ee3d2bd334590e17b","status":"affected","lessThan":"d5deaa0b6d91b1063055415fc53f75c40c2a077d","versionType":"git"},{"version":"fef1e1487dea81c2b4560e393ba4b0be57e28d01","status":"affected","lessThan":"7abab59d6c99ba2b8101d6f44ad25159b1510724","versionType":"git"},{"version":"69bb5b3ae348040e385113efba5bdc76396644d0","status":"affected","lessThan":"e572cbb513cde53d90fb4729cad75056cd647ce3","versionType":"git"},{"version":"65991ea8a6d1e68effdc01d95ebe39f1653f7b71","status":"affected","lessThan":"2e7e39bb81913feaac463b7add46bafdca06fbde","versionType":"git"},{"version":"65991ea8a6d1e68effdc01d95ebe39f1653f7b71","status":"affected","lessThan":"bce6b48af3abf7468d12ef4933f21bd8c1d822e9","versionType":"git"},{"version":"65991ea8a6d1e68effdc01d95ebe39f1653f7b71","status":"affected","lessThan":"3dbc90b9c22ea96e37bf55f6011e63b5123ec668","versionType":"git"},{"version":"654c295f9079d2c7875172142022168e34c4e34e","status":"affected","versionType":"git"},{"version":"04a89c98810d2dba8187120c07fdb732aa40ca14","status":"affected","versionType":"git"},{"version":"6.1.141","status":"affected","lessThan":"6.1.191","versionType":"semver"},{"version":"6.6.93","status":"affected","lessThan":"6.6.160","versionType":"semver"},{"version":"6.12.31","status":"affected","lessThan":"6.12.114","versionType":"semver"},{"version":"5.15.185","status":"affected","lessThan":"5.16","versionType":"semver"},{"version":"6.14.9","status":"affected","lessThan":"6.15","versionType":"semver"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/remoteproc/qcom_wcnss.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.15","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.15","versionType":"semver"},{"version":"6.1.191","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.160","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.114","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.57","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.2.6","status":"unaffected","lessThanOrEqual":"7.2.*","versionType":"semver"},{"version":"7.3","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/remoteproc/qcom_wcnss.c"]}],"references":["https://git.kernel.org/stable/c/d5deaa0b6d91b1063055415fc53f75c40c2a077d","https://git.kernel.org/stable/c/7abab59d6c99ba2b8101d6f44ad25159b1510724","https://git.kernel.org/stable/c/e572cbb513cde53d90fb4729cad75056cd647ce3","https://git.kernel.org/stable/c/2e7e39bb81913feaac463b7add46bafdca06fbde","https://git.kernel.org/stable/c/bce6b48af3abf7468d12ef4933f21bd8c1d822e9","https://git.kernel.org/stable/c/3dbc90b9c22ea96e37bf55f6011e63b5123ec668"],"weaknesses":[],"ingestedAt":"2026-10-30T12:56:04.490Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/93xxx/CVE-2026-93272.json","commit":"1f312381e38164a43607eebab851b151dd16861e","baselineCommit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-93272","state":"PUBLISHED","datePublished":"2026-09-24T15:52:14.274Z","dateUpdated":"2026-10-30T12:36:37.528Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-09-17T16:02:15.098Z"},"containers":{"cna":{"title":"remoteproc: qcom_wcnss: Fix handling the lack of PD regulators in v3","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nremoteproc: qcom_wcnss: Fix handling the lack of PD regulators in v3\n\nThe changes introduced to handle single power domain platforms have\nswapped the info pointer increment from num_pd_vregs to num_pds, which\nwould shift the info pointer past the end of the array for pronto-v3,\nwhich does not list power domain regulators in vregs.\n\nThis showed up as a difference between GCC- and LLVM-compiled kernels\non SDM632 devices, where only with LLVM one would get the\n\"regulator request with no identifier\" error, because the out-of-bounds\nmemory ended up being zeroed. Fix by skipping the increment when there\nare more power domains than regulators."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"8d0d4c11cace475f1b07f98ee3d2bd334590e17b","status":"affected","lessThan":"d5deaa0b6d91b1063055415fc53f75c40c2a077d","versionType":"git"},{"version":"fef1e1487dea81c2b4560e393ba4b0be57e28d01","status":"affected","lessThan":"7abab59d6c99ba2b8101d6f44ad25159b1510724","versionType":"git"},{"version":"69bb5b3ae348040e385113efba5bdc76396644d0","status":"affected","lessThan":"e572cbb513cde53d90fb4729cad75056cd647ce3","versionType":"git"},{"version":"65991ea8a6d1e68effdc01d95ebe39f1653f7b71","status":"affected","lessThan":"2e7e39bb81913feaac463b7add46bafdca06fbde","versionType":"git"},{"version":"65991ea8a6d1e68effdc01d95ebe39f1653f7b71","status":"affected","lessThan":"bce6b48af3abf7468d12ef4933f21bd8c1d822e9","versionType":"git"},{"version":"65991ea8a6d1e68effdc01d95ebe39f1653f7b71","status":"affected","lessThan":"3dbc90b9c22ea96e37bf55f6011e63b5123ec668","versionType":"git"},{"version":"654c295f9079d2c7875172142022168e34c4e34e","status":"affected","versionType":"git"},{"version":"04a89c98810d2dba8187120c07fdb732aa40ca14","status":"affected","versionType":"git"},{"version":"6.1.141","status":"affected","lessThan":"6.1.191","versionType":"semver"},{"version":"6.6.93","status":"affected","lessThan":"6.6.160","versionType":"semver"},{"version":"6.12.31","status":"affected","lessThan":"6.12.114","versionType":"semver"},{"version":"5.15.185","status":"affected","lessThan":"5.16","versionType":"semver"},{"version":"6.14.9","status":"affected","lessThan":"6.15","versionType":"semver"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/remoteproc/qcom_wcnss.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.15","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.15","versionType":"semver"},{"version":"6.1.191","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.160","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.114","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.57","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.2.6","status":"unaffected","lessThanOrEqual":"7.2.*","versionType":"semver"},{"version":"7.3","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/remoteproc/qcom_wcnss.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/d5deaa0b6d91b1063055415fc53f75c40c2a077d"},{"url":"https://git.kernel.org/stable/c/7abab59d6c99ba2b8101d6f44ad25159b1510724"},{"url":"https://git.kernel.org/stable/c/e572cbb513cde53d90fb4729cad75056cd647ce3"},{"url":"https://git.kernel.org/stable/c/2e7e39bb81913feaac463b7add46bafdca06fbde"},{"url":"https://git.kernel.org/stable/c/bce6b48af3abf7468d12ef4933f21bd8c1d822e9"},{"url":"https://git.kernel.org/stable/c/3dbc90b9c22ea96e37bf55f6011e63b5123ec668"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-10-30T12:36:37.528Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.1.141","versionEndExcluding":"6.1.191"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.6.93","versionEndExcluding":"6.6.160"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.12.31","versionEndExcluding":"6.12.114"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.15","versionEndExcluding":"6.18.57"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.15","versionEndExcluding":"7.2.6"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.15","versionEndExcluding":"7.3"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.15.185"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.14.9"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}