{"api_version":"1","generated_at":"2026-08-15T08:45:06+00:00","cve":"CVE-2026-74433","urls":{"html":"https://cve.report/CVE-2026-74433","api":"https://cve.report/api/cve/CVE-2026-74433.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-74433","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-74433"},"summary":{"title":"rxrpc: Fix UAF in rxgk_issue_challenge()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nrxrpc: Fix UAF in rxgk_issue_challenge()\n\nFix rxgk_issue_challenge() to free the page containing the challenge\ncontent after invoking the tracepoint as the whdr passed to the tracepoint\npoints into the page just freed.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-08-15 06:22:45","updated_at":"2026-08-15 06:22:45"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/107a4cb0d47e735830f852d83970d5c81f8e1e08","name":"https://git.kernel.org/stable/c/107a4cb0d47e735830f852d83970d5c81f8e1e08","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/844b8525ce503405c462ad67f750bec648720397","name":"https://git.kernel.org/stable/c/844b8525ce503405c462ad67f750bec648720397","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/83bb0ed050e2ad9453d8ef50e4d6e624eac6eed8","name":"https://git.kernel.org/stable/c/83bb0ed050e2ad9453d8ef50e4d6e624eac6eed8","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-74433","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-74433","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 9d1d2b59341f58126a69b51f9f5f8ccb9f12e54a 844b8525ce503405c462ad67f750bec648720397 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 9d1d2b59341f58126a69b51f9f5f8ccb9f12e54a 83bb0ed050e2ad9453d8ef50e4d6e624eac6eed8 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 9d1d2b59341f58126a69b51f9f5f8ccb9f12e54a 107a4cb0d47e735830f852d83970d5c81f8e1e08 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 6.16","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.16 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.18.40 6.18.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.1.5 7.1.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.2-rc1 * original_commit_for_fix","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["net/rxrpc/rxgk.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"844b8525ce503405c462ad67f750bec648720397","status":"affected","version":"9d1d2b59341f58126a69b51f9f5f8ccb9f12e54a","versionType":"git"},{"lessThan":"83bb0ed050e2ad9453d8ef50e4d6e624eac6eed8","status":"affected","version":"9d1d2b59341f58126a69b51f9f5f8ccb9f12e54a","versionType":"git"},{"lessThan":"107a4cb0d47e735830f852d83970d5c81f8e1e08","status":"affected","version":"9d1d2b59341f58126a69b51f9f5f8ccb9f12e54a","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["net/rxrpc/rxgk.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.16"},{"lessThan":"6.16","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.40","versionType":"semver"},{"lessThanOrEqual":"7.1.*","status":"unaffected","version":"7.1.5","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.2-rc1","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.40","versionStartIncluding":"6.16","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.1.5","versionStartIncluding":"6.16","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.2-rc1","versionStartIncluding":"6.16","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nrxrpc: Fix UAF in rxgk_issue_challenge()\n\nFix rxgk_issue_challenge() to free the page containing the challenge\ncontent after invoking the tracepoint as the whdr passed to the tracepoint\npoints into the page just freed."}],"providerMetadata":{"dateUpdated":"2026-08-15T05:59:32.823Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/844b8525ce503405c462ad67f750bec648720397"},{"url":"https://git.kernel.org/stable/c/83bb0ed050e2ad9453d8ef50e4d6e624eac6eed8"},{"url":"https://git.kernel.org/stable/c/107a4cb0d47e735830f852d83970d5c81f8e1e08"}],"title":"rxrpc: Fix UAF in rxgk_issue_challenge()","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-74433","datePublished":"2026-08-15T05:59:32.823Z","dateReserved":"2026-08-15T05:44:03.896Z","dateUpdated":"2026-08-15T05:59:32.823Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-08-15 06:22:45","lastModifiedDate":"2026-08-15 06:22:45","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"74433","Ordinal":"1","Title":"rxrpc: Fix UAF in rxgk_issue_challenge()","CVE":"CVE-2026-74433","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"74433","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nrxrpc: Fix UAF in rxgk_issue_challenge()\n\nFix rxgk_issue_challenge() to free the page containing the challenge\ncontent after invoking the tracepoint as the whdr passed to the tracepoint\npoints into the page just freed.","Type":"Description","Title":"rxrpc: Fix UAF in rxgk_issue_challenge()"}]}}}