{"id":"CVE-2026-80948","state":"PUBLISHED","title":"wifi: iwlwifi: dvm: fix memory leak in iwl_op_mode_dvm_start()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: iwlwifi: dvm: fix memory leak in iwl_op_mode_dvm_start()\n\nIn iwl_op_mode_dvm_start(), jumping to out_free_eeprom currently bypasses\nthe out_free_eeprom_blob label. Consequently, error paths triggered after\nsuccessfully parsing the EEPROM free priv->nvm_data but leak\npriv->eeprom_blob.\n\nFix this memory leak by reordering the error handling labels so\nthat out_free_eeprom falls through to out_free_eeprom_blob.\n\nThe bug was first flagged by an experimental analysis tool we are\ndeveloping for kernel memory-management bugs while analyzing\nv6.13-rc1. The tool is still under development and is not yet publicly\navailable. Manual inspection confirms that the bug is still\npresent in v7.1-rc6.\n\nAn x86_64 allyesconfig build showed no new warnings. As we do not have\nsupported Intel DVM wireless hardware and firmware to test with, no\nruntime testing was able to be performed.","publishedAt":"2026-09-11T19:42:19.048Z","updatedAt":"2026-10-30T12:31:29.878Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"26a7ca9a71a3f7e1826de96b1a1e907123e11b07","status":"affected","lessThan":"0540361ac82095b25e6eebd70b1df37d2faf45bd","versionType":"git"},{"version":"26a7ca9a71a3f7e1826de96b1a1e907123e11b07","status":"affected","lessThan":"7be73911d979bb0f54485c2292043a5703fdc953","versionType":"git"},{"version":"26a7ca9a71a3f7e1826de96b1a1e907123e11b07","status":"affected","lessThan":"2d593f32efa9ff1c91c508f45eb709c03dfb4945","versionType":"git"},{"version":"26a7ca9a71a3f7e1826de96b1a1e907123e11b07","status":"affected","lessThan":"84ba017a1e1ea7896ed1e3258c947bdbfc5299c5","versionType":"git"},{"version":"26a7ca9a71a3f7e1826de96b1a1e907123e11b07","status":"affected","lessThan":"ad2a9fdca4a7100472be82ee6048c616fc589720","versionType":"git"},{"version":"26a7ca9a71a3f7e1826de96b1a1e907123e11b07","status":"affected","lessThan":"67105abd6195a685a84dcb8a5daf54a1f4bfdb60","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/wireless/intel/iwlwifi/dvm/main.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"3.6","status":"affected"},{"version":"0","status":"unaffected","lessThan":"3.6","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":"6.18.50","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.2.4","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/net/wireless/intel/iwlwifi/dvm/main.c"]}],"references":["https://git.kernel.org/stable/c/0540361ac82095b25e6eebd70b1df37d2faf45bd","https://git.kernel.org/stable/c/7be73911d979bb0f54485c2292043a5703fdc953","https://git.kernel.org/stable/c/2d593f32efa9ff1c91c508f45eb709c03dfb4945","https://git.kernel.org/stable/c/84ba017a1e1ea7896ed1e3258c947bdbfc5299c5","https://git.kernel.org/stable/c/ad2a9fdca4a7100472be82ee6048c616fc589720","https://git.kernel.org/stable/c/67105abd6195a685a84dcb8a5daf54a1f4bfdb60"],"weaknesses":[],"ingestedAt":"2026-10-30T12:50:04.827Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/80xxx/CVE-2026-80948.json","commit":"1f312381e38164a43607eebab851b151dd16861e","baselineCommit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-80948","state":"PUBLISHED","datePublished":"2026-09-11T19:42:19.048Z","dateUpdated":"2026-10-30T12:31:29.878Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-08-26T14:34:25.804Z"},"containers":{"cna":{"title":"wifi: iwlwifi: dvm: fix memory leak in iwl_op_mode_dvm_start()","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: iwlwifi: dvm: fix memory leak in iwl_op_mode_dvm_start()\n\nIn iwl_op_mode_dvm_start(), jumping to out_free_eeprom currently bypasses\nthe out_free_eeprom_blob label. Consequently, error paths triggered after\nsuccessfully parsing the EEPROM free priv->nvm_data but leak\npriv->eeprom_blob.\n\nFix this memory leak by reordering the error handling labels so\nthat out_free_eeprom falls through to out_free_eeprom_blob.\n\nThe bug was first flagged by an experimental analysis tool we are\ndeveloping for kernel memory-management bugs while analyzing\nv6.13-rc1. The tool is still under development and is not yet publicly\navailable. Manual inspection confirms that the bug is still\npresent in v7.1-rc6.\n\nAn x86_64 allyesconfig build showed no new warnings. As we do not have\nsupported Intel DVM wireless hardware and firmware to test with, no\nruntime testing was able to be performed."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"26a7ca9a71a3f7e1826de96b1a1e907123e11b07","status":"affected","lessThan":"0540361ac82095b25e6eebd70b1df37d2faf45bd","versionType":"git"},{"version":"26a7ca9a71a3f7e1826de96b1a1e907123e11b07","status":"affected","lessThan":"7be73911d979bb0f54485c2292043a5703fdc953","versionType":"git"},{"version":"26a7ca9a71a3f7e1826de96b1a1e907123e11b07","status":"affected","lessThan":"2d593f32efa9ff1c91c508f45eb709c03dfb4945","versionType":"git"},{"version":"26a7ca9a71a3f7e1826de96b1a1e907123e11b07","status":"affected","lessThan":"84ba017a1e1ea7896ed1e3258c947bdbfc5299c5","versionType":"git"},{"version":"26a7ca9a71a3f7e1826de96b1a1e907123e11b07","status":"affected","lessThan":"ad2a9fdca4a7100472be82ee6048c616fc589720","versionType":"git"},{"version":"26a7ca9a71a3f7e1826de96b1a1e907123e11b07","status":"affected","lessThan":"67105abd6195a685a84dcb8a5daf54a1f4bfdb60","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/wireless/intel/iwlwifi/dvm/main.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"3.6","status":"affected"},{"version":"0","status":"unaffected","lessThan":"3.6","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":"6.18.50","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.2.4","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/net/wireless/intel/iwlwifi/dvm/main.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/0540361ac82095b25e6eebd70b1df37d2faf45bd"},{"url":"https://git.kernel.org/stable/c/7be73911d979bb0f54485c2292043a5703fdc953"},{"url":"https://git.kernel.org/stable/c/2d593f32efa9ff1c91c508f45eb709c03dfb4945"},{"url":"https://git.kernel.org/stable/c/84ba017a1e1ea7896ed1e3258c947bdbfc5299c5"},{"url":"https://git.kernel.org/stable/c/ad2a9fdca4a7100472be82ee6048c616fc589720"},{"url":"https://git.kernel.org/stable/c/67105abd6195a685a84dcb8a5daf54a1f4bfdb60"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-10-30T12:31:29.878Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.6","versionEndExcluding":"6.1.191"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.6","versionEndExcluding":"6.6.160"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.6","versionEndExcluding":"6.12.114"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.6","versionEndExcluding":"6.18.50"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.6","versionEndExcluding":"7.2.4"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.6","versionEndExcluding":"7.3"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}