{"id":"CVE-2026-23026","state":"PUBLISHED","title":"dmaengine: qcom: gpi: Fix memory leak in gpi_peripheral_config()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ndmaengine: qcom: gpi: Fix memory leak in gpi_peripheral_config()\n\nFix a memory leak in gpi_peripheral_config() where the original memory\npointed to by gchan->config could be lost if krealloc() fails.\n\nThe issue occurs when:\n1. gchan->config points to previously allocated memory\n2. krealloc() fails and returns NULL\n3. The function directly assigns NULL to gchan->config, losing the\n   reference to the original memory\n4. The original memory becomes unreachable and cannot be freed\n\nFix this by using a temporary variable to hold the krealloc() result\nand only updating gchan->config when the allocation succeeds.\n\nFound via static analysis and code review.","publishedAt":"2026-01-31T11:42:05.185Z","updatedAt":"2026-10-15T01:12:41.525Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"5d0c3533a19f48e5e7e73806a3e4b29cd4364130","status":"affected","lessThan":"4532f18e4ab36def1f55cd936d0fc002b2ce34c2","versionType":"git"},{"version":"5d0c3533a19f48e5e7e73806a3e4b29cd4364130","status":"affected","lessThan":"694ab1f6f16cb69f7c5ef2452b22ba7b00a3c7c7","versionType":"git"},{"version":"5d0c3533a19f48e5e7e73806a3e4b29cd4364130","status":"affected","lessThan":"6bf4ef078fd11910988889a6c0b3698d2e0c89af","versionType":"git"},{"version":"5d0c3533a19f48e5e7e73806a3e4b29cd4364130","status":"affected","lessThan":"01b1d781394fc9b83015e3a3cd46b17bda842bd8","versionType":"git"},{"version":"5d0c3533a19f48e5e7e73806a3e4b29cd4364130","status":"affected","lessThan":"55a67ba5ac4cebfd54cc8305d4d57a0f1dfe6a85","versionType":"git"},{"version":"5d0c3533a19f48e5e7e73806a3e4b29cd4364130","status":"affected","lessThan":"3f747004bbd641131d9396d87b5d2d3d1e182728","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/dma/qcom/gpi.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.11","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.11","versionType":"semver"},{"version":"5.15.199","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.162","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.122","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.67","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.7","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"6.19","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/dma/qcom/gpi.c"]}],"references":["https://git.kernel.org/stable/c/4532f18e4ab36def1f55cd936d0fc002b2ce34c2","https://git.kernel.org/stable/c/694ab1f6f16cb69f7c5ef2452b22ba7b00a3c7c7","https://git.kernel.org/stable/c/6bf4ef078fd11910988889a6c0b3698d2e0c89af","https://git.kernel.org/stable/c/01b1d781394fc9b83015e3a3cd46b17bda842bd8","https://git.kernel.org/stable/c/55a67ba5ac4cebfd54cc8305d4d57a0f1dfe6a85","https://git.kernel.org/stable/c/3f747004bbd641131d9396d87b5d2d3d1e182728","https://cert-portal.siemens.com/productcert/html/ssa-253495.html","https://cert-portal.siemens.com/productcert/html/ssa-019113.html","https://cert-portal.siemens.com/productcert/html/ssa-457936.html"],"weaknesses":[],"ingestedAt":"2026-10-29T20:11:21.040Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/23xxx/CVE-2026-23026.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-23026","state":"PUBLISHED","datePublished":"2026-01-31T11:42:05.185Z","dateUpdated":"2026-10-15T01:12:41.525Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-01-13T15:37:45.941Z"},"containers":{"cna":{"title":"dmaengine: qcom: gpi: Fix memory leak in gpi_peripheral_config()","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\ndmaengine: qcom: gpi: Fix memory leak in gpi_peripheral_config()\n\nFix a memory leak in gpi_peripheral_config() where the original memory\npointed to by gchan->config could be lost if krealloc() fails.\n\nThe issue occurs when:\n1. gchan->config points to previously allocated memory\n2. krealloc() fails and returns NULL\n3. The function directly assigns NULL to gchan->config, losing the\n   reference to the original memory\n4. The original memory becomes unreachable and cannot be freed\n\nFix this by using a temporary variable to hold the krealloc() result\nand only updating gchan->config when the allocation succeeds.\n\nFound via static analysis and code review."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"5d0c3533a19f48e5e7e73806a3e4b29cd4364130","status":"affected","lessThan":"4532f18e4ab36def1f55cd936d0fc002b2ce34c2","versionType":"git"},{"version":"5d0c3533a19f48e5e7e73806a3e4b29cd4364130","status":"affected","lessThan":"694ab1f6f16cb69f7c5ef2452b22ba7b00a3c7c7","versionType":"git"},{"version":"5d0c3533a19f48e5e7e73806a3e4b29cd4364130","status":"affected","lessThan":"6bf4ef078fd11910988889a6c0b3698d2e0c89af","versionType":"git"},{"version":"5d0c3533a19f48e5e7e73806a3e4b29cd4364130","status":"affected","lessThan":"01b1d781394fc9b83015e3a3cd46b17bda842bd8","versionType":"git"},{"version":"5d0c3533a19f48e5e7e73806a3e4b29cd4364130","status":"affected","lessThan":"55a67ba5ac4cebfd54cc8305d4d57a0f1dfe6a85","versionType":"git"},{"version":"5d0c3533a19f48e5e7e73806a3e4b29cd4364130","status":"affected","lessThan":"3f747004bbd641131d9396d87b5d2d3d1e182728","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/dma/qcom/gpi.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.11","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.11","versionType":"semver"},{"version":"5.15.199","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.162","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.122","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.67","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.7","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"6.19","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/dma/qcom/gpi.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/4532f18e4ab36def1f55cd936d0fc002b2ce34c2"},{"url":"https://git.kernel.org/stable/c/694ab1f6f16cb69f7c5ef2452b22ba7b00a3c7c7"},{"url":"https://git.kernel.org/stable/c/6bf4ef078fd11910988889a6c0b3698d2e0c89af"},{"url":"https://git.kernel.org/stable/c/01b1d781394fc9b83015e3a3cd46b17bda842bd8"},{"url":"https://git.kernel.org/stable/c/55a67ba5ac4cebfd54cc8305d4d57a0f1dfe6a85"},{"url":"https://git.kernel.org/stable/c/3f747004bbd641131d9396d87b5d2d3d1e182728"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T21:58:34.240Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.11","versionEndExcluding":"5.15.199"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.11","versionEndExcluding":"6.1.162"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.11","versionEndExcluding":"6.6.122"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.11","versionEndExcluding":"6.12.67"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.11","versionEndExcluding":"6.18.7"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.11","versionEndExcluding":"6.19"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}},"adp":[{"affected":[{"vendor":"Siemens","product":"RUGGEDCOM RST2428P","defaultStatus":"unknown","versions":[{"version":"0","status":"affected","lessThan":"V4.0","versionType":"custom"}]},{"vendor":"Siemens","product":"SIMATIC S7-1500 CPU 1518-4 PN/DP MFP","defaultStatus":"unknown","versions":[{"version":"V3.1.6","status":"affected","lessThan":"*","versionType":"custom"}]},{"vendor":"Siemens","product":"SIMATIC S7-1500 CPU 1518-4 PN/DP MFP","defaultStatus":"unknown","versions":[{"version":"V3.1.7","status":"affected","lessThan":"*","versionType":"custom"}]},{"vendor":"Siemens","product":"SIMATIC S7-1500 CPU 1518-4 PN/DP MFP","defaultStatus":"unknown","versions":[{"version":"V3.1.6","status":"affected","lessThan":"*","versionType":"custom"}]},{"vendor":"Siemens","product":"SIMATIC S7-1500 CPU 1518-4 PN/DP MFP","defaultStatus":"unknown","versions":[{"version":"V3.1.7","status":"affected","lessThan":"*","versionType":"custom"}]},{"vendor":"Siemens","product":"SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP","defaultStatus":"unknown","versions":[{"version":"V3.1.6","status":"affected","lessThan":"*","versionType":"custom"}]},{"vendor":"Siemens","product":"SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP","defaultStatus":"unknown","versions":[{"version":"V3.1.7","status":"affected","lessThan":"*","versionType":"custom"}]},{"vendor":"Siemens","product":"SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP","defaultStatus":"unknown","versions":[{"version":"V3.1.6","status":"affected","lessThan":"*","versionType":"custom"}]},{"vendor":"Siemens","product":"SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP","defaultStatus":"unknown","versions":[{"version":"V3.1.7","status":"affected","lessThan":"*","versionType":"custom"}]},{"vendor":"Siemens","product":"SIPLUS S7-1500 CPU 1518-4 PN/DP MFP","defaultStatus":"unknown","versions":[{"version":"V3.1.6","status":"affected","lessThan":"*","versionType":"custom"}]},{"vendor":"Siemens","product":"SIPLUS S7-1500 CPU 1518-4 PN/DP MFP","defaultStatus":"unknown","versions":[{"version":"V3.1.7","status":"affected","lessThan":"*","versionType":"custom"}]}],"references":[{"url":"https://cert-portal.siemens.com/productcert/html/ssa-253495.html"},{"url":"https://cert-portal.siemens.com/productcert/html/ssa-019113.html"},{"url":"https://cert-portal.siemens.com/productcert/html/ssa-457936.html"}],"providerMetadata":{"shortName":"siemens-SADP","orgId":"0b142b55-0307-4c5a-b3c9-f314f3fb7c5e","dateUpdated":"2026-10-15T01:12:41.525Z"},"x_adpType":"supplier"}]}}}