{"id":"CVE-2025-68200","state":"PUBLISHED","title":"bpf: Add bpf_prog_run_data_pointers()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nbpf: Add bpf_prog_run_data_pointers()\n\nsyzbot found that cls_bpf_classify() is able to change\ntc_skb_cb(skb)->drop_reason triggering a warning in sk_skb_reason_drop().\n\nWARNING: CPU: 0 PID: 5965 at net/core/skbuff.c:1192 __sk_skb_reason_drop net/core/skbuff.c:1189 [inline]\nWARNING: CPU: 0 PID: 5965 at net/core/skbuff.c:1192 sk_skb_reason_drop+0x76/0x170 net/core/skbuff.c:1214\n\nstruct tc_skb_cb has been added in commit ec624fe740b4 (\"net/sched:\nExtend qdisc control block with tc control block\"), which added a wrong\ninteraction with db58ba459202 (\"bpf: wire in data and data_end for\ncls_act_bpf\").\n\ndrop_reason was added later.\n\nAdd bpf_prog_run_data_pointers() helper to save/restore the net_sched\nstorage colliding with BPF data_meta/data_end.","publishedAt":"2025-12-16T13:48:28.793Z","updatedAt":"2026-05-23T16:02:18.253Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"0d76daf2013ce1da20eab5e26bd81d983e1c18fb","status":"affected","lessThan":"c4cdd143c35974a2cedd000fa9eb3accc3023b20","versionType":"git"},{"version":"ec624fe740b416fb68d536b37fb8eef46f90b5c2","status":"affected","lessThan":"5e149d8a8e732126fb6014efd60075cf63a73f91","versionType":"git"},{"version":"ec624fe740b416fb68d536b37fb8eef46f90b5c2","status":"affected","lessThan":"baa61dcaa50b7141048c8d2aede7fe9ed8f21d11","versionType":"git"},{"version":"ec624fe740b416fb68d536b37fb8eef46f90b5c2","status":"affected","lessThan":"6392e5f4b1a3cce10e828309baf35d22abd3457d","versionType":"git"},{"version":"ec624fe740b416fb68d536b37fb8eef46f90b5c2","status":"affected","lessThan":"8dd2fe5f5d586c8e87307b7a271f6b994afcc006","versionType":"git"},{"version":"ec624fe740b416fb68d536b37fb8eef46f90b5c2","status":"affected","lessThan":"4ef92743625818932b9c320152b58274c05e5053","versionType":"git"},{"version":"5.15.13","status":"affected","lessThan":"5.15.197","versionType":"semver"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["include/linux/filter.h","net/sched/act_bpf.c","net/sched/cls_bpf.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.16","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.16","versionType":"semver"},{"version":"5.15.197","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.159","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.117","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.59","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.17.9","status":"unaffected","lessThanOrEqual":"6.17.*","versionType":"semver"},{"version":"6.18","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["include/linux/filter.h","net/sched/act_bpf.c","net/sched/cls_bpf.c"]}],"references":["https://git.kernel.org/stable/c/c4cdd143c35974a2cedd000fa9eb3accc3023b20","https://git.kernel.org/stable/c/5e149d8a8e732126fb6014efd60075cf63a73f91","https://git.kernel.org/stable/c/baa61dcaa50b7141048c8d2aede7fe9ed8f21d11","https://git.kernel.org/stable/c/6392e5f4b1a3cce10e828309baf35d22abd3457d","https://git.kernel.org/stable/c/8dd2fe5f5d586c8e87307b7a271f6b994afcc006","https://git.kernel.org/stable/c/4ef92743625818932b9c320152b58274c05e5053"],"weaknesses":[],"ingestedAt":"2026-10-29T20:09:56.034Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2025/68xxx/CVE-2025-68200.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2025-68200","state":"PUBLISHED","datePublished":"2025-12-16T13:48:28.793Z","dateUpdated":"2026-05-23T16:02:18.253Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2025-12-16T13:41:40.254Z"},"containers":{"cna":{"title":"bpf: Add bpf_prog_run_data_pointers()","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nbpf: Add bpf_prog_run_data_pointers()\n\nsyzbot found that cls_bpf_classify() is able to change\ntc_skb_cb(skb)->drop_reason triggering a warning in sk_skb_reason_drop().\n\nWARNING: CPU: 0 PID: 5965 at net/core/skbuff.c:1192 __sk_skb_reason_drop net/core/skbuff.c:1189 [inline]\nWARNING: CPU: 0 PID: 5965 at net/core/skbuff.c:1192 sk_skb_reason_drop+0x76/0x170 net/core/skbuff.c:1214\n\nstruct tc_skb_cb has been added in commit ec624fe740b4 (\"net/sched:\nExtend qdisc control block with tc control block\"), which added a wrong\ninteraction with db58ba459202 (\"bpf: wire in data and data_end for\ncls_act_bpf\").\n\ndrop_reason was added later.\n\nAdd bpf_prog_run_data_pointers() helper to save/restore the net_sched\nstorage colliding with BPF data_meta/data_end."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"0d76daf2013ce1da20eab5e26bd81d983e1c18fb","status":"affected","lessThan":"c4cdd143c35974a2cedd000fa9eb3accc3023b20","versionType":"git"},{"version":"ec624fe740b416fb68d536b37fb8eef46f90b5c2","status":"affected","lessThan":"5e149d8a8e732126fb6014efd60075cf63a73f91","versionType":"git"},{"version":"ec624fe740b416fb68d536b37fb8eef46f90b5c2","status":"affected","lessThan":"baa61dcaa50b7141048c8d2aede7fe9ed8f21d11","versionType":"git"},{"version":"ec624fe740b416fb68d536b37fb8eef46f90b5c2","status":"affected","lessThan":"6392e5f4b1a3cce10e828309baf35d22abd3457d","versionType":"git"},{"version":"ec624fe740b416fb68d536b37fb8eef46f90b5c2","status":"affected","lessThan":"8dd2fe5f5d586c8e87307b7a271f6b994afcc006","versionType":"git"},{"version":"ec624fe740b416fb68d536b37fb8eef46f90b5c2","status":"affected","lessThan":"4ef92743625818932b9c320152b58274c05e5053","versionType":"git"},{"version":"5.15.13","status":"affected","lessThan":"5.15.197","versionType":"semver"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["include/linux/filter.h","net/sched/act_bpf.c","net/sched/cls_bpf.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.16","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.16","versionType":"semver"},{"version":"5.15.197","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.159","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.117","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.59","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.17.9","status":"unaffected","lessThanOrEqual":"6.17.*","versionType":"semver"},{"version":"6.18","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["include/linux/filter.h","net/sched/act_bpf.c","net/sched/cls_bpf.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/c4cdd143c35974a2cedd000fa9eb3accc3023b20"},{"url":"https://git.kernel.org/stable/c/5e149d8a8e732126fb6014efd60075cf63a73f91"},{"url":"https://git.kernel.org/stable/c/baa61dcaa50b7141048c8d2aede7fe9ed8f21d11"},{"url":"https://git.kernel.org/stable/c/6392e5f4b1a3cce10e828309baf35d22abd3457d"},{"url":"https://git.kernel.org/stable/c/8dd2fe5f5d586c8e87307b7a271f6b994afcc006"},{"url":"https://git.kernel.org/stable/c/4ef92743625818932b9c320152b58274c05e5053"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-23T16:02:18.253Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.15.13","versionEndExcluding":"5.15.197"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.16","versionEndExcluding":"6.1.159"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.16","versionEndExcluding":"6.6.117"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.16","versionEndExcluding":"6.12.59"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.16","versionEndExcluding":"6.17.9"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.16","versionEndExcluding":"6.18"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}