{"id":"CVE-2022-50888","state":"PUBLISHED","title":"remoteproc: qcom: q6v5: Fix potential null-ptr-deref in q6v5_wcss_init_mmio()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nremoteproc: qcom: q6v5: Fix potential null-ptr-deref in q6v5_wcss_init_mmio()\n\nq6v5_wcss_init_mmio() will call platform_get_resource_byname() that may\nfail and return NULL. devm_ioremap() will use res->start as input, which\nmay causes null-ptr-deref. Check the ret value of\nplatform_get_resource_byname() to avoid the null-ptr-deref.","publishedAt":"2025-12-30T12:37:06.269Z","updatedAt":"2026-05-11T19:27:04.729Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"0af65b9b915e52019aee91db3e1f8b39a7ec8d08","status":"affected","lessThan":"098ebb9089c4eedea09333f912d105fa63377496","versionType":"git"},{"version":"0af65b9b915e52019aee91db3e1f8b39a7ec8d08","status":"affected","lessThan":"3afa88ae9911b65702a3aca9d92ea23fe496e56f","versionType":"git"},{"version":"0af65b9b915e52019aee91db3e1f8b39a7ec8d08","status":"affected","lessThan":"0903a87490a9ed456ac765a84dcc484c1ee42c32","versionType":"git"},{"version":"0af65b9b915e52019aee91db3e1f8b39a7ec8d08","status":"affected","lessThan":"f360e2b275efbb745ba0af8b47d9ef44221be586","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/remoteproc/qcom_q6v5_wcss.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.13","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.13","versionType":"semver"},{"version":"5.15.86","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.0.16","status":"unaffected","lessThanOrEqual":"6.0.*","versionType":"semver"},{"version":"6.1.2","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.2","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_q6v5_wcss.c"]}],"references":["https://git.kernel.org/stable/c/098ebb9089c4eedea09333f912d105fa63377496","https://git.kernel.org/stable/c/3afa88ae9911b65702a3aca9d92ea23fe496e56f","https://git.kernel.org/stable/c/0903a87490a9ed456ac765a84dcc484c1ee42c32","https://git.kernel.org/stable/c/f360e2b275efbb745ba0af8b47d9ef44221be586"],"weaknesses":[],"ingestedAt":"2026-10-29T20:05:26.763Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2022/50xxx/CVE-2022-50888.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2022-50888","state":"PUBLISHED","datePublished":"2025-12-30T12:37:06.269Z","dateUpdated":"2026-05-11T19:27:04.729Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2025-12-30T12:35:41.595Z"},"containers":{"cna":{"title":"remoteproc: qcom: q6v5: Fix potential null-ptr-deref in q6v5_wcss_init_mmio()","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nremoteproc: qcom: q6v5: Fix potential null-ptr-deref in q6v5_wcss_init_mmio()\n\nq6v5_wcss_init_mmio() will call platform_get_resource_byname() that may\nfail and return NULL. devm_ioremap() will use res->start as input, which\nmay causes null-ptr-deref. Check the ret value of\nplatform_get_resource_byname() to avoid the null-ptr-deref."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"0af65b9b915e52019aee91db3e1f8b39a7ec8d08","status":"affected","lessThan":"098ebb9089c4eedea09333f912d105fa63377496","versionType":"git"},{"version":"0af65b9b915e52019aee91db3e1f8b39a7ec8d08","status":"affected","lessThan":"3afa88ae9911b65702a3aca9d92ea23fe496e56f","versionType":"git"},{"version":"0af65b9b915e52019aee91db3e1f8b39a7ec8d08","status":"affected","lessThan":"0903a87490a9ed456ac765a84dcc484c1ee42c32","versionType":"git"},{"version":"0af65b9b915e52019aee91db3e1f8b39a7ec8d08","status":"affected","lessThan":"f360e2b275efbb745ba0af8b47d9ef44221be586","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/remoteproc/qcom_q6v5_wcss.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.13","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.13","versionType":"semver"},{"version":"5.15.86","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.0.16","status":"unaffected","lessThanOrEqual":"6.0.*","versionType":"semver"},{"version":"6.1.2","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.2","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_q6v5_wcss.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/098ebb9089c4eedea09333f912d105fa63377496"},{"url":"https://git.kernel.org/stable/c/3afa88ae9911b65702a3aca9d92ea23fe496e56f"},{"url":"https://git.kernel.org/stable/c/0903a87490a9ed456ac765a84dcc484c1ee42c32"},{"url":"https://git.kernel.org/stable/c/f360e2b275efbb745ba0af8b47d9ef44221be586"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T19:27:04.729Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.13","versionEndExcluding":"5.15.86"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.13","versionEndExcluding":"6.0.16"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.13","versionEndExcluding":"6.1.2"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.13","versionEndExcluding":"6.2"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}