{"id":"CVE-2026-53297","state":"PUBLISHED","title":"net: mana: Guard mana_remove against double invocation","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet: mana: Guard mana_remove against double invocation\n\nIf PM resume fails (e.g., mana_attach() returns an error), mana_probe()\ncalls mana_remove(), which tears down the device and sets\ngd->gdma_context = NULL and gd->driver_data = NULL.\n\nHowever, a failed resume callback does not automatically unbind the\ndriver. When the device is eventually unbound, mana_remove() is invoked\na second time. Without a NULL check, it dereferences gc->dev with\ngc == NULL, causing a kernel panic.\n\nAdd an early return if gdma_context or driver_data is NULL so the second\ninvocation is harmless. Move the dev = gc->dev assignment after the\nguard so it cannot dereference NULL.","publishedAt":"2026-06-26T19:40:55.155Z","updatedAt":"2026-10-30T12:26:56.822Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"635096a86edb067d55a1e04b4a918f5c6dac0c51","status":"affected","lessThan":"f63a6d2e4167703611f5c2602eaa1a23f635430f","versionType":"git"},{"version":"635096a86edb067d55a1e04b4a918f5c6dac0c51","status":"affected","lessThan":"793bf1f4e469c51d0e39199823da5e1de85a2741","versionType":"git"},{"version":"635096a86edb067d55a1e04b4a918f5c6dac0c51","status":"affected","lessThan":"8ee85b75a72216c857c39457f6595709c4c9f856","versionType":"git"},{"version":"635096a86edb067d55a1e04b4a918f5c6dac0c51","status":"affected","lessThan":"a1ddfd2c0b7a48e5239fadd2a24cc4bc2cda90e6","versionType":"git"},{"version":"635096a86edb067d55a1e04b4a918f5c6dac0c51","status":"affected","lessThan":"bbe5c3c570645a4ceb120979d3ee203a1583d775","versionType":"git"},{"version":"635096a86edb067d55a1e04b4a918f5c6dac0c51","status":"affected","lessThan":"50271d7ec95144d26808025b508f463780517d3c","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/ethernet/microsoft/mana/mana_en.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.16","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.16","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":"6.18.33","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.0.10","status":"unaffected","lessThanOrEqual":"7.0.*","versionType":"semver"},{"version":"7.1","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/ethernet/microsoft/mana/mana_en.c"]}],"references":["https://git.kernel.org/stable/c/f63a6d2e4167703611f5c2602eaa1a23f635430f","https://git.kernel.org/stable/c/793bf1f4e469c51d0e39199823da5e1de85a2741","https://git.kernel.org/stable/c/8ee85b75a72216c857c39457f6595709c4c9f856","https://git.kernel.org/stable/c/a1ddfd2c0b7a48e5239fadd2a24cc4bc2cda90e6","https://git.kernel.org/stable/c/bbe5c3c570645a4ceb120979d3ee203a1583d775","https://git.kernel.org/stable/c/50271d7ec95144d26808025b508f463780517d3c"],"weaknesses":[],"ingestedAt":"2026-10-30T12:44:04.813Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/53xxx/CVE-2026-53297.json","commit":"db8103c5921aac81d5d90efcf3745980dafabf49","baselineCommit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-53297","state":"PUBLISHED","datePublished":"2026-06-26T19:40:55.155Z","dateUpdated":"2026-10-30T12:26:56.822Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-06-09T07:44:35.396Z"},"containers":{"cna":{"title":"net: mana: Guard mana_remove against double invocation","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet: mana: Guard mana_remove against double invocation\n\nIf PM resume fails (e.g., mana_attach() returns an error), mana_probe()\ncalls mana_remove(), which tears down the device and sets\ngd->gdma_context = NULL and gd->driver_data = NULL.\n\nHowever, a failed resume callback does not automatically unbind the\ndriver. When the device is eventually unbound, mana_remove() is invoked\na second time. Without a NULL check, it dereferences gc->dev with\ngc == NULL, causing a kernel panic.\n\nAdd an early return if gdma_context or driver_data is NULL so the second\ninvocation is harmless. Move the dev = gc->dev assignment after the\nguard so it cannot dereference NULL."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"635096a86edb067d55a1e04b4a918f5c6dac0c51","status":"affected","lessThan":"f63a6d2e4167703611f5c2602eaa1a23f635430f","versionType":"git"},{"version":"635096a86edb067d55a1e04b4a918f5c6dac0c51","status":"affected","lessThan":"793bf1f4e469c51d0e39199823da5e1de85a2741","versionType":"git"},{"version":"635096a86edb067d55a1e04b4a918f5c6dac0c51","status":"affected","lessThan":"8ee85b75a72216c857c39457f6595709c4c9f856","versionType":"git"},{"version":"635096a86edb067d55a1e04b4a918f5c6dac0c51","status":"affected","lessThan":"a1ddfd2c0b7a48e5239fadd2a24cc4bc2cda90e6","versionType":"git"},{"version":"635096a86edb067d55a1e04b4a918f5c6dac0c51","status":"affected","lessThan":"bbe5c3c570645a4ceb120979d3ee203a1583d775","versionType":"git"},{"version":"635096a86edb067d55a1e04b4a918f5c6dac0c51","status":"affected","lessThan":"50271d7ec95144d26808025b508f463780517d3c","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/ethernet/microsoft/mana/mana_en.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.16","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.16","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":"6.18.33","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.0.10","status":"unaffected","lessThanOrEqual":"7.0.*","versionType":"semver"},{"version":"7.1","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/ethernet/microsoft/mana/mana_en.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/f63a6d2e4167703611f5c2602eaa1a23f635430f"},{"url":"https://git.kernel.org/stable/c/793bf1f4e469c51d0e39199823da5e1de85a2741"},{"url":"https://git.kernel.org/stable/c/8ee85b75a72216c857c39457f6595709c4c9f856"},{"url":"https://git.kernel.org/stable/c/a1ddfd2c0b7a48e5239fadd2a24cc4bc2cda90e6"},{"url":"https://git.kernel.org/stable/c/bbe5c3c570645a4ceb120979d3ee203a1583d775"},{"url":"https://git.kernel.org/stable/c/50271d7ec95144d26808025b508f463780517d3c"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-10-30T12:26:56.822Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.16","versionEndExcluding":"6.1.191"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.16","versionEndExcluding":"6.6.160"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.16","versionEndExcluding":"6.12.114"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.16","versionEndExcluding":"6.18.33"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.16","versionEndExcluding":"7.0.10"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.16","versionEndExcluding":"7.1"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}