From nobody Fri Feb 20 02:23:57 2026 X-Original-To: dev-commits-src-branches@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4fHDZk0C8nz6QRfb for ; Fri, 20 Feb 2026 02:23:58 +0000 (UTC) (envelope-from git@FreeBSD.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "R12" (not verified)) by mx1.freebsd.org (Postfix) with ESMTPS id 4fHDZj6V5rz3N17 for ; Fri, 20 Feb 2026 02:23:57 +0000 (UTC) (envelope-from git@FreeBSD.org) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1771554237; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding; bh=9FK0T+TYcLy7pVlaJKeSjrEZbqm9e/qP+qj81oTEOvM=; b=Dl3bHwxwkDPMPns0AMwNYzpxwKAfHU3w2Mqdfp3Zp1y+Mkie7nyqHMSYh97n3yJ2Y4RZDb J95UWiehHxXitA2tLF3n9S3VBBRkjxW1NMxH4/gYRl25KsRDScONhs7X8hEf/RE+VMQ5Uu NMQGvwBI2SnZO/jJWaSYiw/iTWBgMwFrfrqBufY+/e7cEvXfSSy1Wzqrs4edNj0n/f5CGU 2zeMGMBvyn/VfCjk8ka1nmnMYvrm5LOf23XOemAzLOrOstjf4/8Wak0a1EZAcA1d975/5p sHDeEIm2lRI40pTiuxBNqxO/YmLIlYcPV37dg8vG4dXxs2I0FTPxz/zgpDHDrA== ARC-Seal: i=1; s=dkim; d=freebsd.org; t=1771554237; a=rsa-sha256; cv=none; b=FNQ8XY2110+S/wRjsoYkNcl8RG7sbUbAIjsA8B9ugz2nBOgKvAwr6lqvbnwrf7cDhiw2OE tNNQzh0umd0QFjuefqf90EzUdPp9WNcBb6BVAM3bpaIeKkEbUGSN5VFXroEuje58BE76hS EEZcRXrNBkSoozNzJT68HAHegLXUwk9ZsgFkDnkDlN1olg4ZqxqqK+XP+2Fs31oybOVgUD 2ge4P/rmUGFaIRfEH013k/ndxkWNXlX1HeMI7xJyPsJYAA3x2GMnChURIVMkqxbMa4CI+3 oFrpVL75lfe0SslccNZVe9wWRty03GwfMpQMoJLGfuhKZ8zsa647wNet61pLgA== ARC-Authentication-Results: i=1; mx1.freebsd.org; none ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1771554237; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding; bh=9FK0T+TYcLy7pVlaJKeSjrEZbqm9e/qP+qj81oTEOvM=; b=J0ES80cnp7IhI4sZohlEWJZT+oyhK0+divHOJSTDJLsxfufdIC+SgsvUFHWnVNIQF4sJc+ 2mPiUBIR9stcc7jX3vOi/fIhcUWamUc1/aO3anofgGASEOV9Pe5b6HV+6HCtvmCAs404Ks HCvGtSfvsGvk0RTon6qHdYsJAcd+a14uiDDAaXsrdiQV/8QvE4JB+y1UXrA8BrW+zBIspb hX/5ctAyYOwVRibugWaDLkDGELMnDoqddm/RInWPkxVv91euX7Q7TpVfhO7QrXcy7Nu5Ym hSNChRTzEqoSI+0kwdBudFAQ/VNQ4edrNkXCehHzGGiKzcnk1GfJNPSjECLCPA== Received: from gitrepo.freebsd.org (gitrepo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:5]) by mxrelay.nyi.freebsd.org (Postfix) with ESMTP id 4fHDZj64Yzz17MQ for ; Fri, 20 Feb 2026 02:23:57 +0000 (UTC) (envelope-from git@FreeBSD.org) Received: from git (uid 1279) (envelope-from git@FreeBSD.org) id 1908d by gitrepo.freebsd.org (DragonFly Mail Agent v0.13+ on gitrepo.freebsd.org); Fri, 20 Feb 2026 02:23:57 +0000 To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-branches@FreeBSD.org From: Cy Schubert Subject: git: dda404ebddf2 - stable/15 - ipfilter: Fix possible overrun List-Id: Commits to the stable branches of the FreeBSD src repository List-Archive: https://lists.freebsd.org/archives/dev-commits-src-branches List-Help: List-Post: List-Subscribe: List-Unsubscribe: X-BeenThere: dev-commits-src-branches@freebsd.org Sender: owner-dev-commits-src-branches@FreeBSD.org MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit X-Git-Committer: cy X-Git-Repository: src X-Git-Refname: refs/heads/stable/15 X-Git-Reftype: branch X-Git-Commit: dda404ebddf271733ba3e90858fdd5e41e8b3cc8 Auto-Submitted: auto-generated Date: Fri, 20 Feb 2026 02:23:57 +0000 Message-Id: <6997c5bd.1908d.25d48799@gitrepo.freebsd.org> The branch stable/15 has been updated by cy: URL: https://cgit.FreeBSD.org/src/commit/?id=dda404ebddf271733ba3e90858fdd5e41e8b3cc8 commit dda404ebddf271733ba3e90858fdd5e41e8b3cc8 Author: Cy Schubert AuthorDate: 2026-02-04 17:27:23 +0000 Commit: Cy Schubert CommitDate: 2026-02-20 02:23:43 +0000 ipfilter: Fix possible overrun The destination buffer is FR_GROUPLEN (16 bytes) in length. When gname is created, the userspace utilities correctly use FR_GROUPLEN as the buffer length. The kernel should also limit its copy operation to FR_GROUPLEN bytes to avoid any user written code from exploiting this vulnerability. Reported by: Ilja Van Sprundel (cherry picked from commit e40817302ebdf89df2f3bcd679fb7f2a18c244dc) --- sys/netpfil/ipfilter/netinet/fil.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/sys/netpfil/ipfilter/netinet/fil.c b/sys/netpfil/ipfilter/netinet/fil.c index 242affeff000..355c633d59d8 100644 --- a/sys/netpfil/ipfilter/netinet/fil.c +++ b/sys/netpfil/ipfilter/netinet/fil.c @@ -3503,7 +3503,7 @@ ipf_group_add(ipf_main_softc_t *softc, char *group, void *head, u_32_t flags, fg->fg_head = head; fg->fg_start = NULL; fg->fg_next = *fgp; - bcopy(group, fg->fg_name, strlen(group) + 1); + bcopy(group, fg->fg_name, strnlen(group, FR_GROUPLEN) + 1); fg->fg_flags = gflags; fg->fg_ref = 1; fg->fg_set = &softc->ipf_groups[unit][set];