{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2023-53782","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2025-12-08T23:58:35.272Z","datePublished":"2025-12-09T00:00:37.741Z","dateUpdated":"2026-05-11T19:51:25.372Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-05-11T19:51:25.372Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\ndccp: Fix out of bounds access in DCCP error handler\n\nThere was a previous attempt to fix an out-of-bounds access in the DCCP\nerror handlers, but that fix assumed that the error handlers only want\nto access the first 8 bytes of the DCCP header. Actually, they also look\nat the DCCP sequence number, which is stored beyond 8 bytes, so an\nexplicit pskb_may_pull() is required."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["net/dccp/ipv4.c","net/dccp/ipv6.c"],"versions":[{"version":"6706a97fec963d6cb3f7fc2978ec1427b4651214","lessThan":"3533e10272555c422a7d51ebc0ce8c483429f7f2","status":"affected","versionType":"git"},{"version":"6706a97fec963d6cb3f7fc2978ec1427b4651214","lessThan":"177212bf6dc1ff2d13d0409cddc5c9e81feec63d","status":"affected","versionType":"git"},{"version":"6706a97fec963d6cb3f7fc2978ec1427b4651214","lessThan":"7a7dd70cb954d3efa706a429687ded88c02496fa","status":"affected","versionType":"git"},{"version":"6706a97fec963d6cb3f7fc2978ec1427b4651214","lessThan":"4b8a938e329ae4eb54b73b0c87b5170607b038a8","status":"affected","versionType":"git"},{"version":"6706a97fec963d6cb3f7fc2978ec1427b4651214","lessThan":"6ecf09699eb1554299aa1e7fd13e9e80f656c2f9","status":"affected","versionType":"git"},{"version":"6706a97fec963d6cb3f7fc2978ec1427b4651214","lessThan":"f8a7f10a1dccf9868ff09342a73dce27501b86df","status":"affected","versionType":"git"},{"version":"6706a97fec963d6cb3f7fc2978ec1427b4651214","lessThan":"d8171411a661253e6271fa10b65b46daf1b6471c","status":"affected","versionType":"git"},{"version":"6706a97fec963d6cb3f7fc2978ec1427b4651214","lessThan":"ec620c34f5fa5d055f9f6136a387755db6157712","status":"affected","versionType":"git"},{"version":"6706a97fec963d6cb3f7fc2978ec1427b4651214","lessThan":"977ad86c2a1bcaf58f01ab98df5cc145083c489c","status":"affected","versionType":"git"},{"version":"96106a207ae972d8f9e4815e84c159f29e4bbee7","status":"affected","versionType":"git"},{"version":"261def571d19d3b4e2228643c5c0ac89f5e10d15","status":"affected","versionType":"git"},{"version":"dbf1719c65fb0368a94d15767c669e47e295a073","status":"affected","versionType":"git"},{"version":"46b1ffd4738a3ee04b2e8f5a4b8cfc39e9c722a2","status":"affected","versionType":"git"},{"version":"a2df29ed840f90e459a3f8ff029b216be3912731","status":"affected","versionType":"git"},{"version":"ba93cf7d2118774c0b2dcfccc8ae999427815caa","status":"affected","versionType":"git"},{"version":"4ca7e66fcce02459fa6961979f9fe30ae1098cf0","status":"affected","versionType":"git"},{"version":"bd380617d5d161ea2bbe7a8073b3ca7bca0381e5","status":"affected","versionType":"git"},{"version":"bfe7d1dee859cad6802f8e21a0a863f408114612","status":"affected","versionType":"git"},{"version":"968953df833c61fce5adcc0612efeaced24e5719","status":"affected","versionType":"git"},{"version":"99131760a8851e6e5b2c9b24d0a68a3068923a08","status":"affected","versionType":"git"},{"version":"84d9c612bb7a9e44c6bf286bedfbe72a6d2d71d4","status":"affected","versionType":"git"}]},{"product":"Linux","vendor":"Linux","defaultStatus":"affected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["net/dccp/ipv4.c","net/dccp/ipv6.c"],"versions":[{"version":"4.9","status":"affected"},{"version":"0","lessThan":"4.9","status":"unaffected","versionType":"semver"},{"version":"4.14.326","lessThanOrEqual":"4.14.*","status":"unaffected","versionType":"semver"},{"version":"4.19.295","lessThanOrEqual":"4.19.*","status":"unaffected","versionType":"semver"},{"version":"5.4.257","lessThanOrEqual":"5.4.*","status":"unaffected","versionType":"semver"},{"version":"5.10.195","lessThanOrEqual":"5.10.*","status":"unaffected","versionType":"semver"},{"version":"5.15.132","lessThanOrEqual":"5.15.*","status":"unaffected","versionType":"semver"},{"version":"6.1.53","lessThanOrEqual":"6.1.*","status":"unaffected","versionType":"semver"},{"version":"6.4.16","lessThanOrEqual":"6.4.*","status":"unaffected","versionType":"semver"},{"version":"6.5.3","lessThanOrEqual":"6.5.*","status":"unaffected","versionType":"semver"},{"version":"6.6","lessThanOrEqual":"*","status":"unaffected","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.9","versionEndExcluding":"4.14.326"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.9","versionEndExcluding":"4.19.295"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.9","versionEndExcluding":"5.4.257"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.9","versionEndExcluding":"5.10.195"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.9","versionEndExcluding":"5.15.132"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.9","versionEndExcluding":"6.1.53"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.9","versionEndExcluding":"6.4.16"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.9","versionEndExcluding":"6.5.3"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.9","versionEndExcluding":"6.6"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.2.87"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.10.105"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.12.68"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.16.42"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.4.34"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.8.10"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.2.87"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.10.105"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.12.68"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.16.42"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.4.34"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.8.10"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/3533e10272555c422a7d51ebc0ce8c483429f7f2"},{"url":"https://git.kernel.org/stable/c/177212bf6dc1ff2d13d0409cddc5c9e81feec63d"},{"url":"https://git.kernel.org/stable/c/7a7dd70cb954d3efa706a429687ded88c02496fa"},{"url":"https://git.kernel.org/stable/c/4b8a938e329ae4eb54b73b0c87b5170607b038a8"},{"url":"https://git.kernel.org/stable/c/6ecf09699eb1554299aa1e7fd13e9e80f656c2f9"},{"url":"https://git.kernel.org/stable/c/f8a7f10a1dccf9868ff09342a73dce27501b86df"},{"url":"https://git.kernel.org/stable/c/d8171411a661253e6271fa10b65b46daf1b6471c"},{"url":"https://git.kernel.org/stable/c/ec620c34f5fa5d055f9f6136a387755db6157712"},{"url":"https://git.kernel.org/stable/c/977ad86c2a1bcaf58f01ab98df5cc145083c489c"}],"title":"dccp: Fix out of bounds access in DCCP error handler","x_generator":{"engine":"bippy-1.2.0"}}}}