{"id":"CVE-2026-97440","state":"PUBLISHED","title":"net: qrtr: fix node refcount leak on ctrl packet alloc failure","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet: qrtr: fix node refcount leak on ctrl packet alloc failure\n\nqrtr_send_resume_tx() calls qrtr_node_lookup() which takes a\nreference on the returned node. If the subsequent call to\nqrtr_alloc_ctrl_packet() fails due to memory allocation failure, the\nfunction returns -ENOMEM without calling qrtr_node_release() to\nrelease the node reference.\n\nAdd qrtr_node_release(node) before returning on the allocation failure\npath to properly release the reference.","publishedAt":"2026-09-24T16:03:53.360Z","updatedAt":"2026-10-03T10:58:25.396Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"cb6530b99fafea6c0636c4640bd21301d12cdbc9","status":"affected","lessThan":"78d066ecac9ce50441d4affae0df2093c4c3e62e","versionType":"git"},{"version":"cb6530b99fafea6c0636c4640bd21301d12cdbc9","status":"affected","lessThan":"f3e90fbcd2d5ec1632bc2e8cdd1218f56bcb5fcf","versionType":"git"},{"version":"cb6530b99fafea6c0636c4640bd21301d12cdbc9","status":"affected","lessThan":"c3515740174b778d0ee44acc477b51a6478da6b8","versionType":"git"},{"version":"cb6530b99fafea6c0636c4640bd21301d12cdbc9","status":"affected","lessThan":"f76a39c45182d9137e053081cee9f2c197404ce6","versionType":"git"},{"version":"cb6530b99fafea6c0636c4640bd21301d12cdbc9","status":"affected","lessThan":"477353db343663d5502ca442c6de785d2f23f273","versionType":"git"},{"version":"cb6530b99fafea6c0636c4640bd21301d12cdbc9","status":"affected","lessThan":"9d969c98732a4d42212ec580dd5bbad53f246103","versionType":"git"},{"version":"cb6530b99fafea6c0636c4640bd21301d12cdbc9","status":"affected","lessThan":"3b09ff54114566864eea59020f6b69c5bb325b9d","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["net/qrtr/af_qrtr.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.6","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.6","versionType":"semver"},{"version":"5.10.271","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.222","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.189","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.158","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.111","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.53","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.2","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["net/qrtr/af_qrtr.c"]}],"references":["https://git.kernel.org/stable/c/78d066ecac9ce50441d4affae0df2093c4c3e62e","https://git.kernel.org/stable/c/f3e90fbcd2d5ec1632bc2e8cdd1218f56bcb5fcf","https://git.kernel.org/stable/c/c3515740174b778d0ee44acc477b51a6478da6b8","https://git.kernel.org/stable/c/f76a39c45182d9137e053081cee9f2c197404ce6","https://git.kernel.org/stable/c/477353db343663d5502ca442c6de785d2f23f273","https://git.kernel.org/stable/c/9d969c98732a4d42212ec580dd5bbad53f246103","https://git.kernel.org/stable/c/3b09ff54114566864eea59020f6b69c5bb325b9d"],"weaknesses":[],"ingestedAt":"2026-10-29T20:13:43.249Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/97xxx/CVE-2026-97440.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-97440","state":"PUBLISHED","datePublished":"2026-09-24T16:03:53.360Z","dateUpdated":"2026-10-03T10:58:25.396Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-09-24T14:53:16.869Z"},"containers":{"cna":{"title":"net: qrtr: fix node refcount leak on ctrl packet alloc failure","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet: qrtr: fix node refcount leak on ctrl packet alloc failure\n\nqrtr_send_resume_tx() calls qrtr_node_lookup() which takes a\nreference on the returned node. If the subsequent call to\nqrtr_alloc_ctrl_packet() fails due to memory allocation failure, the\nfunction returns -ENOMEM without calling qrtr_node_release() to\nrelease the node reference.\n\nAdd qrtr_node_release(node) before returning on the allocation failure\npath to properly release the reference."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"cb6530b99fafea6c0636c4640bd21301d12cdbc9","status":"affected","lessThan":"78d066ecac9ce50441d4affae0df2093c4c3e62e","versionType":"git"},{"version":"cb6530b99fafea6c0636c4640bd21301d12cdbc9","status":"affected","lessThan":"f3e90fbcd2d5ec1632bc2e8cdd1218f56bcb5fcf","versionType":"git"},{"version":"cb6530b99fafea6c0636c4640bd21301d12cdbc9","status":"affected","lessThan":"c3515740174b778d0ee44acc477b51a6478da6b8","versionType":"git"},{"version":"cb6530b99fafea6c0636c4640bd21301d12cdbc9","status":"affected","lessThan":"f76a39c45182d9137e053081cee9f2c197404ce6","versionType":"git"},{"version":"cb6530b99fafea6c0636c4640bd21301d12cdbc9","status":"affected","lessThan":"477353db343663d5502ca442c6de785d2f23f273","versionType":"git"},{"version":"cb6530b99fafea6c0636c4640bd21301d12cdbc9","status":"affected","lessThan":"9d969c98732a4d42212ec580dd5bbad53f246103","versionType":"git"},{"version":"cb6530b99fafea6c0636c4640bd21301d12cdbc9","status":"affected","lessThan":"3b09ff54114566864eea59020f6b69c5bb325b9d","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["net/qrtr/af_qrtr.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.6","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.6","versionType":"semver"},{"version":"5.10.271","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.222","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.189","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.158","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.111","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.53","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.2","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["net/qrtr/af_qrtr.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/78d066ecac9ce50441d4affae0df2093c4c3e62e"},{"url":"https://git.kernel.org/stable/c/f3e90fbcd2d5ec1632bc2e8cdd1218f56bcb5fcf"},{"url":"https://git.kernel.org/stable/c/c3515740174b778d0ee44acc477b51a6478da6b8"},{"url":"https://git.kernel.org/stable/c/f76a39c45182d9137e053081cee9f2c197404ce6"},{"url":"https://git.kernel.org/stable/c/477353db343663d5502ca442c6de785d2f23f273"},{"url":"https://git.kernel.org/stable/c/9d969c98732a4d42212ec580dd5bbad53f246103"},{"url":"https://git.kernel.org/stable/c/3b09ff54114566864eea59020f6b69c5bb325b9d"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-10-03T10:58:25.396Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.6","versionEndExcluding":"5.10.271"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.6","versionEndExcluding":"5.15.222"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.6","versionEndExcluding":"6.1.189"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.6","versionEndExcluding":"6.6.158"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.6","versionEndExcluding":"6.12.111"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.6","versionEndExcluding":"6.18.53"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.6","versionEndExcluding":"7.2"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}