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d="scan'208";a="512765293" Received: from rcdn-l-core-12.cisco.com ([173.37.255.149]) by rcdn-iport-9.cisco.com with ESMTP/TLS/TLS_AES_256_GCM_SHA384; 22 Jul 2026 09:54:33 +0000 Received: from sjc-ads-5675.cisco.com (sjc-ads-5675.cisco.com [10.28.88.189]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by rcdn-l-core-12.cisco.com (Postfix) with ESMTPS id 9FAF118000326; Wed, 22 Jul 2026 09:54:33 +0000 (GMT) Received: by sjc-ads-5675.cisco.com (Postfix, from userid 1887444) id 45025CAEF79; Wed, 22 Jul 2026 02:54:33 -0700 (PDT) From: "Darsh Kelaiya -X (dkelaiya - E INFOCHIPS PRIVATE LIMITED at Cisco)" To: openembedded-core@lists.openembedded.org Cc: xe-linux-external@cisco.com, Darsh Kelaiya Subject: [OE-core][wrynose][PATCH 1/4] gawk: Fix CVE-2026-40467 Date: Wed, 22 Jul 2026 02:54:27 -0700 Message-Id: <20260722095430.1416791-1-dkelaiya@cisco.com> X-Mailer: git-send-email 2.35.6 MIME-Version: 1.0 X-Auto-Response-Suppress: DR, OOF, AutoReply X-Outbound-Client-TLS: ANONYMOUS;sjc-ads-5675.cisco.com [10.28.88.189];TLSv1.3;TLS_AES_256_GCM_SHA384;256 X-Outbound-SMTP-Client: 10.28.88.189, sjc-ads-5675.cisco.com X-Outbound-Node: rcdn-l-core-12.cisco.com List-Id: X-Webhook-Received: from 45-33-107-173.ip.linodeusercontent.com [45.33.107.173] by aws-us-west-2-korg-lkml-1.web.codeaurora.org with HTTPS for ; Wed, 22 Jul 2026 09:54:37 -0000 X-Groupsio-URL: https://lists.openembedded.org/g/openembedded-core/message/241636 From: Darsh Kelaiya This patch applies the upstream fix as referenced in [2], using the commit shown in [1]. [1] https://cgit.git.savannah.gnu.org/cgit/gawk.git/commit/?id=a2d18c74109e41bec29a23098eba2e00057286d8 [2] https://nvd.nist.gov/vuln/detail/CVE-2026-40467 Signed-off-by: Darsh Kelaiya Reviewed-by: Leonid Iziumtsev --- .../gawk/gawk/CVE-2026-40467.patch | 62 +++++++++++++++++++ meta/recipes-extended/gawk/gawk_5.4.0.bb | 1 + 2 files changed, 63 insertions(+) create mode 100644 meta/recipes-extended/gawk/gawk/CVE-2026-40467.patch diff --git a/meta/recipes-extended/gawk/gawk/CVE-2026-40467.patch b/meta/recipes-extended/gawk/gawk/CVE-2026-40467.patch new file mode 100644 index 0000000000..772172c373 --- /dev/null +++ b/meta/recipes-extended/gawk/gawk/CVE-2026-40467.patch @@ -0,0 +1,62 @@ +From 194a2884f21a6fc02c446ca4e2dc9107298832db Mon Sep 17 00:00:00 2001 +From: "Arnold D. Robbins" +Date: Fri, 3 Apr 2026 12:02:11 +0300 +Subject: [PATCH] Small memory management fix in io.c. + +CVE: CVE-2026-40467 +Upstream-Status: Backport [https://cgit.git.savannah.gnu.org/cgit/gawk.git/commit/?id=a2d18c74109e41bec29a23098eba2e00057286d8] + +(cherry picked from commit a2d18c74109e41bec29a23098eba2e00057286d8) +Signed-off-by: Darsh Kelaiya +--- + ChangeLog | 6 ++++++ + io.c | 5 ++++- + 2 files changed, 10 insertions(+), 1 deletion(-) + +diff --git a/ChangeLog b/ChangeLog +index a714ca1a..517aba91 100644 +--- a/ChangeLog ++++ b/ChangeLog +@@ -1,3 +1,9 @@ ++2026-04-03 Arnold D. Robbins ++ ++ * io.c (do_getline_redir): Don't DEREF redir_exp too early. ++ Thanks to Michał Majchrowicz ++ for the report. ++ + 2026-02-22 Arnold D. Robbins + + * 5.4.0: Release tar ball made. +diff --git a/io.c b/io.c +index a3b877c4..7a547aa1 100644 +--- a/io.c ++++ b/io.c +@@ -2853,21 +2853,24 @@ do_getline_redir(int into_variable, enum redirval redirtype) + redir_exp = TOP(); + redir_exp = elem_new_to_scalar(redir_exp); + rp = redirect(redir_exp, redirtype, & redir_error, false); +- DEREF(redir_exp); + decr_sp(); + if (rp == NULL) { + if (redir_error) { /* failed redirect */ + update_ERRNO_int(redir_error); + } ++ DEREF(redir_exp); + return make_number((AWKNUM) -1.0); + } else if ((rp->flag & RED_TWOWAY) != 0 && rp->iop == NULL) { + if (is_non_fatal_redirect(redir_exp->stptr, redir_exp->stlen)) { + update_ERRNO_int(EBADF); ++ DEREF(redir_exp); + return make_number((AWKNUM) -1.0); + } + (void) close_rp(rp, CLOSE_ALL); ++ DEREF(redir_exp); // we're about to die, but what the heck, release it anyway + fatal(_("getline: attempt to read from closed read end of two-way pipe")); + } ++ DEREF(redir_exp); + iop = rp->iop; + if (iop == NULL) /* end of input */ + return make_number((AWKNUM) 0.0); +-- +2.53.0 + diff --git a/meta/recipes-extended/gawk/gawk_5.4.0.bb b/meta/recipes-extended/gawk/gawk_5.4.0.bb index d7211f28f3..59c4cb2536 100644 --- a/meta/recipes-extended/gawk/gawk_5.4.0.bb +++ b/meta/recipes-extended/gawk/gawk_5.4.0.bb @@ -28,6 +28,7 @@ PACKAGECONFIG[pma-if-64bit] = "--enable-pma,--disable-pma, " SRC_URI = "${GNU_MIRROR}/gawk/gawk-${PV}.tar.xz \ file://run-ptest \ file://0001-configure.ac-re-enable-disabled-printf-features.patch \ + file://CVE-2026-40467.patch \ " SRC_URI[sha256sum] = "3dd430f0cd3b4428c6c3f6afc021b9cd3c1f8c93f7a688dc268ca428a90b4ac1"