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[2a01:cb00:1331:aa00:a2e4:fb7b:d88:7544]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-4976bd6da4asm7669405e9.1.2026.07.28.15.22.04 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 28 Jul 2026 15:22:04 -0700 (PDT) From: Yoann Congal To: openembedded-core@lists.openembedded.org Subject: [OE-core][scarthgap 03/19] gawk: Fix CVE-2026-40467 Date: Wed, 29 Jul 2026 00:21:38 +0200 Message-ID: <157c0642e924dc5f53064322ad8b8143a3621d6b.1785277157.git.yoann.congal@smile.fr> X-Mailer: git-send-email 2.47.3 In-Reply-To: References: MIME-Version: 1.0 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 ; Tue, 28 Jul 2026 22:22:16 -0000 X-Groupsio-URL: https://lists.openembedded.org/g/openembedded-core/message/242206 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 Signed-off-by: Yoann Congal --- .../gawk/gawk/CVE-2026-40467.patch | 63 +++++++++++++++++++ meta/recipes-extended/gawk/gawk_5.3.0.bb | 1 + 2 files changed, 64 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 00000000000..d813db5f8b0 --- /dev/null +++ b/meta/recipes-extended/gawk/gawk/CVE-2026-40467.patch @@ -0,0 +1,63 @@ +From 22fd9e360251f70b34e9b46635b6d75bce49202f 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 2fa8b2f0..6bc88ebb 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. ++ + 2023-11-02 Arnold D. Robbins + + * 5.3.0: Release tar ball made. +diff --git a/io.c b/io.c +index 44671ebd..4db4b21d 100644 +--- a/io.c ++++ b/io.c +@@ -2836,22 +2836,25 @@ do_getline_redir(int into_variable, enum redirval redirtype) + assert(redirtype != redirect_none); + redir_exp = TOP(); + rp = redirect(redir_exp, redirtype, & redir_error, false); +- DEREF(redir_exp); + decr_sp(); + if (rp == NULL) { + if (redir_error) { /* failed redirect */ + if (! do_traditional) + 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); +-- +2.44.4 + diff --git a/meta/recipes-extended/gawk/gawk_5.3.0.bb b/meta/recipes-extended/gawk/gawk_5.3.0.bb index b1d1fe7ae47..56d7d7f76af 100644 --- a/meta/recipes-extended/gawk/gawk_5.3.0.bb +++ b/meta/recipes-extended/gawk/gawk_5.3.0.bb @@ -22,6 +22,7 @@ SRC_URI = "${GNU_MIRROR}/gawk/gawk-${PV}.tar.gz \ file://0001-m4-readline-add-missing-includes.patch \ file://run-ptest \ file://0001-Fix-some-C23-compilatio-issues.patch \ + file://CVE-2026-40467.patch \ " SRC_URI[sha256sum] = "378f8864ec21cfceaa048f7e1869ac9b4597b449087caf1eb55e440d30273336"