From nobody Fri Feb 20 02:24:18 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 4fHDb62dncz6QRdj for ; Fri, 20 Feb 2026 02:24:18 +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 4fHDb61KwPz3Nnt for ; Fri, 20 Feb 2026 02:24:18 +0000 (UTC) (envelope-from git@FreeBSD.org) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1771554258; 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=aFvMrdFWXsmPEk+wcJXXBE0tCu2oqV0ZpAhSDX7XPlA=; b=U9jMOoiNNbXx1IM5e4EL7gihyc3yRUogp/dkyyZLk6Vw9Epi6rt6IjXbGhAxIGR3H6peBY K/Wtd5GOB+nWYuFz36xH57cjg7GB7JpOTOTcPRjUhozlCk1sDoSd4O2djwm5XBSGX8ihAp l67lB+7OpVYIRy5ajMhXSSB841V68SB7EWtMe3iJtZnV0uMSFy4AzXyw5AbGXwM1346TQK BjLtRd6USleBVAxn7SreqqoehB1XkVFFuQZQOG6QRGR66ahaOmczEI4KKDwSKGRTgNwf+S 8tB2noPCa0q9DaCzgimIqC6JGFgFS62y+egJqHimSTTMt9WZneSXgRRfFkB7gQ== ARC-Seal: i=1; s=dkim; d=freebsd.org; t=1771554258; a=rsa-sha256; cv=none; b=ibK28iazZaonJdyHi+kEckopOQCROXSuXVJB4a7rotGEbm8lpLNus3VnzmfIcYxmrS6rss G5eUXBszZdoplAPCaKKH+Um31eJjlZXcPAXTvri5kN+1Le2WeE30R34JVVdrOUareRO9Uv 6xS+jeMoLQ2qxadhuio1WA+P8JWir4TKT596kQzJC+sEoWyN3oj8t7VPjPDzUpyBGJhvKM AIcxqa6ydIrGgwXwQ27W/9x2XtCxRFhvBq2TWJsVX1SyyopZmYzcf5EBwEX1C6fVYOn6/V gJitaOS6H49dxYCsx5ubyJ6GJuInKcQl6lDVBsf9fpbzYmwNyv93Y6cNZDtRPw== 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=1771554258; 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=aFvMrdFWXsmPEk+wcJXXBE0tCu2oqV0ZpAhSDX7XPlA=; b=w2bQMlHTKqUnD565TBr8jdF7D3EizP5jTPZil0l0ZXXArwXX6Wi0ld0V8rfaIIfmP2WrkF VsTewVX1T+48kgukurBhg+eHjEfkQ4Ump6/J25YvOwCAzDyGAUuycrbCFCyztA/8Z/N+OU sHrQKvlNHv5VRpaAATOsIa6dj+7IdI0sMreALsrjyuan+bwRgsN+bNhmzYwvTfGOWMHk3t ismVCcAXec1qrvcP98FnnqzGg/QfcYhMcH632WJfZ0g1R03DJD/NPs3RGbaa1WW4Ai67l7 YLPePGaZSQ9UtpW1trlgTQc/2+6pATLL8Y8Mo/eXDwOw5DjhmnF+zoDIJWHyRA== Received: from gitrepo.freebsd.org (gitrepo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:5]) by mxrelay.nyi.freebsd.org (Postfix) with ESMTP id 4fHDb60gsdz17MS for ; Fri, 20 Feb 2026 02:24:18 +0000 (UTC) (envelope-from git@FreeBSD.org) Received: from git (uid 1279) (envelope-from git@FreeBSD.org) id 18f2f by gitrepo.freebsd.org (DragonFly Mail Agent v0.13+ on gitrepo.freebsd.org); Fri, 20 Feb 2026 02:24:18 +0000 To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-branches@FreeBSD.org From: Cy Schubert Subject: git: 53e1019c8494 - stable/14 - 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/14 X-Git-Reftype: branch X-Git-Commit: 53e1019c8494e560a4ea121ef9e0c4b3ff4ac016 Auto-Submitted: auto-generated Date: Fri, 20 Feb 2026 02:24:18 +0000 Message-Id: <6997c5d2.18f2f.3c1d30f6@gitrepo.freebsd.org> The branch stable/14 has been updated by cy: URL: https://cgit.FreeBSD.org/src/commit/?id=53e1019c8494e560a4ea121ef9e0c4b3ff4ac016 commit 53e1019c8494e560a4ea121ef9e0c4b3ff4ac016 Author: Cy Schubert AuthorDate: 2026-02-04 17:27:23 +0000 Commit: Cy Schubert CommitDate: 2026-02-20 02:24:08 +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 b2d84ce1fefc..cf21c68b7b46 100644 --- a/sys/netpfil/ipfilter/netinet/fil.c +++ b/sys/netpfil/ipfilter/netinet/fil.c @@ -3507,7 +3507,7 @@ 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];