Date: Thu, 26 Mar 2026 01:15:00 +0000 From: Philip Paeps <philip@FreeBSD.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-branches@FreeBSD.org Cc: Kristof Provost <kp@FreeBSD.org> Subject: git: b6865bca4ba5 - releng/14.4 - pf: include all elements when hashing rules Message-ID: <69c48894.181c6.29857380@gitrepo.freebsd.org>
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The branch releng/14.4 has been updated by philip: URL: https://cgit.FreeBSD.org/src/commit/?id=b6865bca4ba546155740a5047ff79a6515b5805b commit b6865bca4ba546155740a5047ff79a6515b5805b Author: Kristof Provost <kp@FreeBSD.org> AuthorDate: 2026-03-19 07:21:51 +0000 Commit: Philip Paeps <philip@FreeBSD.org> CommitDate: 2026-03-25 16:11:07 +0000 pf: include all elements when hashing rules Approved by: so Security: FreeBSD-SA:26:09.pf Security: CVE-2026-4748 Sponsored by: Rubicon Communications, LLC ("Netgate") (cherry picked from commit c6bcf6e6fd507d952a48226b51cc161b8ef972a2) (cherry picked from commit e3b801edded92c1ccef67f9aef8653e996493460) --- sys/netpfil/pf/pf_ioctl.c | 91 ++++++++++++++++++++++++++++++++++++++++++----- 1 file changed, 83 insertions(+), 8 deletions(-) diff --git a/sys/netpfil/pf/pf_ioctl.c b/sys/netpfil/pf/pf_ioctl.c index 1fff0667aa1a..5617207d28f9 100644 --- a/sys/netpfil/pf/pf_ioctl.c +++ b/sys/netpfil/pf/pf_ioctl.c @@ -1269,6 +1269,12 @@ pf_hash_rule_addr(MD5_CTX *ctx, struct pf_rule_addr *pfr) PF_MD5_UPD(pfr, addr.v.a.addr.addr32); PF_MD5_UPD(pfr, addr.v.a.mask.addr32); break; + case PF_ADDR_NOROUTE: + case PF_ADDR_URPFFAILED: + /* These do not use any address data. */ + break; + default: + panic("Unknown address type %d", pfr->addr.type); } PF_MD5_UPD(pfr, port[0]); @@ -1277,6 +1283,28 @@ pf_hash_rule_addr(MD5_CTX *ctx, struct pf_rule_addr *pfr) PF_MD5_UPD(pfr, port_op); } +static void +pf_hash_pool(MD5_CTX *ctx, struct pf_kpool *pool) +{ + uint16_t x; + int y; + + if (pool->cur) { + PF_MD5_UPD(pool, cur->addr); + PF_MD5_UPD_STR(pool, cur->ifname); + } + PF_MD5_UPD(pool, key); + PF_MD5_UPD(pool, counter); + + PF_MD5_UPD(pool, mape.offset); + PF_MD5_UPD(pool, mape.psidlen); + PF_MD5_UPD_HTONS(pool, mape.psid, x); + PF_MD5_UPD_HTONL(pool, tblidx, y); + PF_MD5_UPD_HTONS(pool, proxy_port[0], x); + PF_MD5_UPD_HTONS(pool, proxy_port[1], x); + PF_MD5_UPD(pool, opts); +} + static void pf_hash_rule_rolling(MD5_CTX *ctx, struct pf_krule *rule) { @@ -1287,37 +1315,84 @@ pf_hash_rule_rolling(MD5_CTX *ctx, struct pf_krule *rule) pf_hash_rule_addr(ctx, &rule->dst); for (int i = 0; i < PF_RULE_MAX_LABEL_COUNT; i++) PF_MD5_UPD_STR(rule, label[i]); + PF_MD5_UPD_HTONL(rule, ridentifier, y); PF_MD5_UPD_STR(rule, ifname); + PF_MD5_UPD_STR(rule, qname); + PF_MD5_UPD_STR(rule, pqname); + PF_MD5_UPD_STR(rule, tagname); PF_MD5_UPD_STR(rule, match_tagname); - PF_MD5_UPD_HTONS(rule, match_tag, x); /* dup? */ + + PF_MD5_UPD_STR(rule, overload_tblname); + + pf_hash_pool(ctx, &rule->rpool); + PF_MD5_UPD_HTONL(rule, os_fingerprint, y); + + PF_MD5_UPD_HTONL(rule, rtableid, y); + for (int i = 0; i < PFTM_MAX; i++) + PF_MD5_UPD_HTONL(rule, timeout[i], y); + PF_MD5_UPD_HTONL(rule, max_states, y); + PF_MD5_UPD_HTONL(rule, max_src_nodes, y); + PF_MD5_UPD_HTONL(rule, max_src_states, y); + PF_MD5_UPD_HTONL(rule, max_src_conn, y); + PF_MD5_UPD_HTONL(rule, max_src_conn_rate.limit, y); + PF_MD5_UPD_HTONL(rule, max_src_conn_rate.seconds, y); + PF_MD5_UPD_HTONS(rule, qid, x); + PF_MD5_UPD_HTONS(rule, pqid, x); + PF_MD5_UPD_HTONS(rule, dnpipe, x); + PF_MD5_UPD_HTONS(rule, dnrpipe, x); + PF_MD5_UPD_HTONL(rule, free_flags, y); PF_MD5_UPD_HTONL(rule, prob, y); + + PF_MD5_UPD_HTONS(rule, return_icmp, x); + PF_MD5_UPD_HTONS(rule, return_icmp6, x); + PF_MD5_UPD_HTONS(rule, max_mss, x); + PF_MD5_UPD_HTONS(rule, tag, x); /* dup? */ + PF_MD5_UPD_HTONS(rule, match_tag, x); /* dup? */ + PF_MD5_UPD_HTONS(rule, scrub_flags, x); + + PF_MD5_UPD(rule, uid.op); PF_MD5_UPD_HTONL(rule, uid.uid[0], y); PF_MD5_UPD_HTONL(rule, uid.uid[1], y); - PF_MD5_UPD(rule, uid.op); + PF_MD5_UPD(rule, gid.op); PF_MD5_UPD_HTONL(rule, gid.gid[0], y); PF_MD5_UPD_HTONL(rule, gid.gid[1], y); - PF_MD5_UPD(rule, gid.op); + PF_MD5_UPD_HTONL(rule, rule_flag, y); + PF_MD5_UPD_HTONL(rule, rule_ref, y); PF_MD5_UPD(rule, action); PF_MD5_UPD(rule, direction); - PF_MD5_UPD(rule, af); + PF_MD5_UPD(rule, log); + PF_MD5_UPD(rule, logif); PF_MD5_UPD(rule, quick); PF_MD5_UPD(rule, ifnot); PF_MD5_UPD(rule, match_tag_not); PF_MD5_UPD(rule, natpass); + PF_MD5_UPD(rule, keep_state); + PF_MD5_UPD(rule, af); PF_MD5_UPD(rule, proto); - PF_MD5_UPD(rule, type); - PF_MD5_UPD(rule, code); + PF_MD5_UPD_HTONS(rule, type, x); + PF_MD5_UPD_HTONS(rule, code, x); PF_MD5_UPD(rule, flags); PF_MD5_UPD(rule, flagset); + PF_MD5_UPD(rule, min_ttl); PF_MD5_UPD(rule, allow_opts); PF_MD5_UPD(rule, rt); + PF_MD5_UPD(rule, return_ttl); PF_MD5_UPD(rule, tos); - PF_MD5_UPD(rule, scrub_flags); - PF_MD5_UPD(rule, min_ttl); PF_MD5_UPD(rule, set_tos); + PF_MD5_UPD(rule, anchor_relative); + PF_MD5_UPD(rule, anchor_wildcard); + + PF_MD5_UPD(rule, flush); + PF_MD5_UPD(rule, prio); + PF_MD5_UPD(rule, set_prio[0]); + PF_MD5_UPD(rule, set_prio[1]); + + PF_MD5_UPD(rule, divert.addr); + PF_MD5_UPD_HTONS(rule, divert.port, x); + if (rule->anchor != NULL) PF_MD5_UPD_STR(rule, anchor->path); }home | help
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