{"id":"CVE-2026-68313","state":"PUBLISHED","title":"tipc: fix infinite loop in __tipc_nl_compat_dumpit","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ntipc: fix infinite loop in __tipc_nl_compat_dumpit\n\ncmd->dumpit callback can return a negative errno, causing an infinite\nloop due to the while(len) condition. As the loop never terminates,\ngenl_mutex is never released, and other tasks waiting on it starve in D\nstate.\n\nCheck dumpit's return value, propagate it and jump to err_out on error.","publishedAt":"2026-08-10T12:02:48.120Z","updatedAt":"2026-08-19T16:33:05.750Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"d0796d1ef63deb38147729664691ba3090930b26","status":"affected","lessThan":"2a1c1397275f27e33b6a2a565d81cfef0deb6656","versionType":"git"},{"version":"d0796d1ef63deb38147729664691ba3090930b26","status":"affected","lessThan":"98d09766cee3182aae292886e2fef0cbe8dba537","versionType":"git"},{"version":"d0796d1ef63deb38147729664691ba3090930b26","status":"affected","lessThan":"9cd8c88e1336ec0fbe02af1ddf2b52838d30fae4","versionType":"git"},{"version":"d0796d1ef63deb38147729664691ba3090930b26","status":"affected","lessThan":"f9c669d9f4cac832fe31193cdbc24c6a9d99398b","versionType":"git"},{"version":"d0796d1ef63deb38147729664691ba3090930b26","status":"affected","lessThan":"1ab78af2140189b735b8d3b889b0284128cb2013","versionType":"git"},{"version":"d0796d1ef63deb38147729664691ba3090930b26","status":"affected","lessThan":"e740e90ca8e7f70d9eac1aa31a8b3e0e4d32b2ef","versionType":"git"},{"version":"d0796d1ef63deb38147729664691ba3090930b26","status":"affected","lessThan":"b8f3b8efa5f99081b14de1a7ffa68a81bf01bd48","versionType":"git"},{"version":"d0796d1ef63deb38147729664691ba3090930b26","status":"affected","lessThan":"22f8aa35964e8f2ab026578f45befc9605fd1b28","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["net/tipc/netlink_compat.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"4.0","status":"affected"},{"version":"0","status":"unaffected","lessThan":"4.0","versionType":"semver"},{"version":"5.10.265","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.216","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.183","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.148","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.101","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.42","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.1.6","status":"unaffected","lessThanOrEqual":"7.1.*","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/tipc/netlink_compat.c"]}],"references":["https://git.kernel.org/stable/c/2a1c1397275f27e33b6a2a565d81cfef0deb6656","https://git.kernel.org/stable/c/98d09766cee3182aae292886e2fef0cbe8dba537","https://git.kernel.org/stable/c/9cd8c88e1336ec0fbe02af1ddf2b52838d30fae4","https://git.kernel.org/stable/c/f9c669d9f4cac832fe31193cdbc24c6a9d99398b","https://git.kernel.org/stable/c/1ab78af2140189b735b8d3b889b0284128cb2013","https://git.kernel.org/stable/c/e740e90ca8e7f70d9eac1aa31a8b3e0e4d32b2ef","https://git.kernel.org/stable/c/b8f3b8efa5f99081b14de1a7ffa68a81bf01bd48","https://git.kernel.org/stable/c/22f8aa35964e8f2ab026578f45befc9605fd1b28"],"weaknesses":[],"ingestedAt":"2026-10-29T20:12:49.727Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/68xxx/CVE-2026-68313.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-68313","state":"PUBLISHED","datePublished":"2026-08-10T12:02:48.120Z","dateUpdated":"2026-08-19T16:33:05.750Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-07-30T09:28:09.381Z"},"containers":{"cna":{"title":"tipc: fix infinite loop in __tipc_nl_compat_dumpit","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\ntipc: fix infinite loop in __tipc_nl_compat_dumpit\n\ncmd->dumpit callback can return a negative errno, causing an infinite\nloop due to the while(len) condition. As the loop never terminates,\ngenl_mutex is never released, and other tasks waiting on it starve in D\nstate.\n\nCheck dumpit's return value, propagate it and jump to err_out on error."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"d0796d1ef63deb38147729664691ba3090930b26","status":"affected","lessThan":"2a1c1397275f27e33b6a2a565d81cfef0deb6656","versionType":"git"},{"version":"d0796d1ef63deb38147729664691ba3090930b26","status":"affected","lessThan":"98d09766cee3182aae292886e2fef0cbe8dba537","versionType":"git"},{"version":"d0796d1ef63deb38147729664691ba3090930b26","status":"affected","lessThan":"9cd8c88e1336ec0fbe02af1ddf2b52838d30fae4","versionType":"git"},{"version":"d0796d1ef63deb38147729664691ba3090930b26","status":"affected","lessThan":"f9c669d9f4cac832fe31193cdbc24c6a9d99398b","versionType":"git"},{"version":"d0796d1ef63deb38147729664691ba3090930b26","status":"affected","lessThan":"1ab78af2140189b735b8d3b889b0284128cb2013","versionType":"git"},{"version":"d0796d1ef63deb38147729664691ba3090930b26","status":"affected","lessThan":"e740e90ca8e7f70d9eac1aa31a8b3e0e4d32b2ef","versionType":"git"},{"version":"d0796d1ef63deb38147729664691ba3090930b26","status":"affected","lessThan":"b8f3b8efa5f99081b14de1a7ffa68a81bf01bd48","versionType":"git"},{"version":"d0796d1ef63deb38147729664691ba3090930b26","status":"affected","lessThan":"22f8aa35964e8f2ab026578f45befc9605fd1b28","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["net/tipc/netlink_compat.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"4.0","status":"affected"},{"version":"0","status":"unaffected","lessThan":"4.0","versionType":"semver"},{"version":"5.10.265","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.216","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.183","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.148","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.101","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.42","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.1.6","status":"unaffected","lessThanOrEqual":"7.1.*","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/tipc/netlink_compat.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/2a1c1397275f27e33b6a2a565d81cfef0deb6656"},{"url":"https://git.kernel.org/stable/c/98d09766cee3182aae292886e2fef0cbe8dba537"},{"url":"https://git.kernel.org/stable/c/9cd8c88e1336ec0fbe02af1ddf2b52838d30fae4"},{"url":"https://git.kernel.org/stable/c/f9c669d9f4cac832fe31193cdbc24c6a9d99398b"},{"url":"https://git.kernel.org/stable/c/1ab78af2140189b735b8d3b889b0284128cb2013"},{"url":"https://git.kernel.org/stable/c/e740e90ca8e7f70d9eac1aa31a8b3e0e4d32b2ef"},{"url":"https://git.kernel.org/stable/c/b8f3b8efa5f99081b14de1a7ffa68a81bf01bd48"},{"url":"https://git.kernel.org/stable/c/22f8aa35964e8f2ab026578f45befc9605fd1b28"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-08-19T16:33:05.750Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.0","versionEndExcluding":"5.10.265"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.0","versionEndExcluding":"5.15.216"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.0","versionEndExcluding":"6.1.183"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.0","versionEndExcluding":"6.6.148"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.0","versionEndExcluding":"6.12.101"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.0","versionEndExcluding":"6.18.42"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.0","versionEndExcluding":"7.1.6"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.0","versionEndExcluding":"7.2"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}