{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-22994","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2026-01-13T15:37:45.937Z","datePublished":"2026-01-23T15:24:14.749Z","dateUpdated":"2026-05-11T21:57:56.914Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-05-11T21:57:56.914Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nbpf: Fix reference count leak in bpf_prog_test_run_xdp()\n\nsyzbot is reporting\n\n  unregister_netdevice: waiting for sit0 to become free. Usage count = 2\n\nproblem. A debug printk() patch found that a refcount is obtained at\nxdp_convert_md_to_buff() from bpf_prog_test_run_xdp().\n\nAccording to commit ec94670fcb3b (\"bpf: Support specifying ingress via\nxdp_md context in BPF_PROG_TEST_RUN\"), the refcount obtained by\nxdp_convert_md_to_buff() will be released by xdp_convert_buff_to_md().\n\nTherefore, we can consider that the error handling path introduced by\ncommit 1c1949982524 (\"bpf: introduce frags support to\nbpf_prog_test_run_xdp()\") forgot to call xdp_convert_buff_to_md()."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["net/bpf/test_run.c"],"versions":[{"version":"1c194998252469cad00a08bd9ef0b99fd255c260","lessThan":"368569bc546d3368ee9980ba79fc42fdff9a3365","status":"affected","versionType":"git"},{"version":"1c194998252469cad00a08bd9ef0b99fd255c260","lessThan":"98676ee71fd4eafeb8be63c7f3f1905d40e03101","status":"affected","versionType":"git"},{"version":"1c194998252469cad00a08bd9ef0b99fd255c260","lessThan":"fb9ef40cccdbacce36029b305d0ef1e12e4fea38","status":"affected","versionType":"git"},{"version":"1c194998252469cad00a08bd9ef0b99fd255c260","lessThan":"737be05a765761d7d7c9f7fe92274bd8e6f6951e","status":"affected","versionType":"git"},{"version":"1c194998252469cad00a08bd9ef0b99fd255c260","lessThan":"ec69daabe45256f98ac86c651b8ad1b2574489a7","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/bpf/test_run.c"],"versions":[{"version":"5.18","status":"affected"},{"version":"0","lessThan":"5.18","status":"unaffected","versionType":"semver"},{"version":"6.1.161","lessThanOrEqual":"6.1.*","status":"unaffected","versionType":"semver"},{"version":"6.6.121","lessThanOrEqual":"6.6.*","status":"unaffected","versionType":"semver"},{"version":"6.12.66","lessThanOrEqual":"6.12.*","status":"unaffected","versionType":"semver"},{"version":"6.18.6","lessThanOrEqual":"6.18.*","status":"unaffected","versionType":"semver"},{"version":"6.19","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":"5.18","versionEndExcluding":"6.1.161"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.18","versionEndExcluding":"6.6.121"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.18","versionEndExcluding":"6.12.66"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.18","versionEndExcluding":"6.18.6"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.18","versionEndExcluding":"6.19"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/368569bc546d3368ee9980ba79fc42fdff9a3365"},{"url":"https://git.kernel.org/stable/c/98676ee71fd4eafeb8be63c7f3f1905d40e03101"},{"url":"https://git.kernel.org/stable/c/fb9ef40cccdbacce36029b305d0ef1e12e4fea38"},{"url":"https://git.kernel.org/stable/c/737be05a765761d7d7c9f7fe92274bd8e6f6951e"},{"url":"https://git.kernel.org/stable/c/ec69daabe45256f98ac86c651b8ad1b2574489a7"}],"title":"bpf: Fix reference count leak in bpf_prog_test_run_xdp()","x_generator":{"engine":"bippy-1.2.0"}}}}