From nobody Fri Dec 5 15:09:08 2025 X-Original-To: dev-commits-src-all@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 4dNFC85fjTz6HybX for ; Fri, 05 Dec 2025 15:09:08 +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" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4dNFC83vtbz3v7P for ; Fri, 05 Dec 2025 15:09:08 +0000 (UTC) (envelope-from git@FreeBSD.org) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1764947348; 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=6peKZK9MSOSUGMKvKnsvJ2PS1Y6ItxVq/jHgEm6YejI=; b=oBsm7KuczL3sRQajK5j4/PTZ7y4zKg6aphADzqbpd6ACt2UJR4CeY+0XpChFRewBhZUFfr unUhn01Yz6osvT72LGcOIGfZt63ILpKU5JTMkJfCfgR9UErNE4vK+224o/7/GD8xgk525Y 9d2UGc3ay4RLplHuBE3LufZcBeoC/E70N7MGXDIdfeI38iPvNq5yhwwjQ79Fw/07JEg/K5 yIQCyaMtv2UC83en7lKLppRjTeZ+lOidzjKqCkQkXbeNhyysl6seYk05FQZ32GHrxc0AvF LExdS70NZbsjFYnuiXtCkrf9boElrN/y9wHnqcwN1iWIIIB9/PnaZJ5HeASi2w== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1764947348; 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=6peKZK9MSOSUGMKvKnsvJ2PS1Y6ItxVq/jHgEm6YejI=; b=PzCrZfh3qxVpfBB+qZbn//IW4gC8RTbhwiNWUssgsyiZMg4D0a3BAxbmLO1ExkCG86CF9z IfFErA6qEffG1Qu/6++YH/uR1ImV6cFyeaKzgV94TExzPlJgNzu38XrEnmk89rQojwf0GY d7So5j/fsJbyj8UqFpyooeQErBwhnrpLV0wIWDgllsOU0kgRXvv8pgfH61AFR2mRSZGE3W EbJ6p0xFxA1QxpCyg1iljYC9DrrmqSCXi21z+SkKgj1qw1BV4cH4QoLrgYw3P6DN0d5IvV hJ5a98+crRtPAzy7i51nsQBoMkShZRbeBLDzlJGxiWPCKO7RPpW0+Ti54xvC8Q== ARC-Seal: i=1; s=dkim; d=freebsd.org; t=1764947348; a=rsa-sha256; cv=none; b=juulfGk8lqzgMoWbwk4spfv2cXTGanIh8sGc/mkB05iAVGszE7eWH5O2NpH1K0zU1LWi4d mxsvNDZ92EgHcjxe9Tksnm7p9LxhtwD97aciUZkUYs0FEVtrhGpAjJMrAE11H3FbAyKdMr nvta+jAYQ7Inh0ctQOFskTl0eTYsxhY+GtD8Ye93aP5bujK87Ar/JqY3yssEdgTye78mqz HIjvSFNmXVE0VsXMNveLU0P3iLyr72oUQ+ISgDSyp9BwYGvUf7ShgdtSfKLBG4HuiqykH7 f6sy1GaQ3bFEMQi1StZ8hz/ZY+kxe86V2i1HwK4p/8+fGMv6OmeF8+2bkceLrw== ARC-Authentication-Results: i=1; mx1.freebsd.org; none Received: from gitrepo.freebsd.org (gitrepo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:5]) by mxrelay.nyi.freebsd.org (Postfix) with ESMTP id 4dNFC838yCzvj for ; Fri, 05 Dec 2025 15:09:08 +0000 (UTC) (envelope-from git@FreeBSD.org) Received: from git (uid 1279) (envelope-from git@FreeBSD.org) id 31ddd by gitrepo.freebsd.org (DragonFly Mail Agent v0.13+ on gitrepo.freebsd.org); Fri, 05 Dec 2025 15:09:08 +0000 To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-branches@FreeBSD.org From: Dag-Erling=?utf-8?Q? Sm=C3=B8rg?=rav Subject: git: 74b10f0b5760 - stable/15 - rtld-elf: Mark LD_SHOW_AUXV insecure List-Id: Commit messages for all branches of the src repository List-Archive: https://lists.freebsd.org/archives/dev-commits-src-all List-Help: List-Post: List-Subscribe: List-Unsubscribe: X-BeenThere: dev-commits-src-all@freebsd.org Sender: owner-dev-commits-src-all@FreeBSD.org MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit X-Git-Committer: des X-Git-Repository: src X-Git-Refname: refs/heads/stable/15 X-Git-Reftype: branch X-Git-Commit: 74b10f0b57600dffa4eb81eaa40dbbfb8c5c3a1f Auto-Submitted: auto-generated Date: Fri, 05 Dec 2025 15:09:08 +0000 Message-Id: <6932f594.31ddd.4f9efc0a@gitrepo.freebsd.org> The branch stable/15 has been updated by des: URL: https://cgit.FreeBSD.org/src/commit/?id=74b10f0b57600dffa4eb81eaa40dbbfb8c5c3a1f commit 74b10f0b57600dffa4eb81eaa40dbbfb8c5c3a1f Author: Dag-Erling Smørgrav AuthorDate: 2025-12-03 10:09:31 +0000 Commit: Dag-Erling Smørgrav CommitDate: 2025-12-05 15:08:55 +0000 rtld-elf: Mark LD_SHOW_AUXV insecure This prevents dumping the memory layout of setugid processes. MFC after: 3 days Reviewed by: kib Differential Revision: https://reviews.freebsd.org/D54033 (cherry picked from commit 5242bcff202fa2a5a39895423c8d8c11c02ad76a) --- libexec/rtld-elf/rtld.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libexec/rtld-elf/rtld.c b/libexec/rtld-elf/rtld.c index bdfff7361e96..8ac897508870 100644 --- a/libexec/rtld-elf/rtld.c +++ b/libexec/rtld-elf/rtld.c @@ -395,7 +395,7 @@ static struct ld_env_var_desc ld_env_vars[] = { LD_ENV_DESC(TRACE_LOADED_OBJECTS_FMT1, false), LD_ENV_DESC(TRACE_LOADED_OBJECTS_FMT2, false), LD_ENV_DESC(TRACE_LOADED_OBJECTS_ALL, false), - LD_ENV_DESC(SHOW_AUXV, false), + LD_ENV_DESC(SHOW_AUXV, true), LD_ENV_DESC(STATIC_TLS_EXTRA, false), LD_ENV_DESC(NO_DL_ITERATE_PHDR_AFTER_FORK, false), };