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[2a01:cb00:1331:aa00:a2e4:fb7b:d88:7544]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-496c45de1a3sm31513055e9.11.2026.07.27.15.56.04 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 27 Jul 2026 15:56:04 -0700 (PDT) From: Yoann Congal To: openembedded-core@lists.openembedded.org Subject: [OE-core][wrynose 03/36] gawk: Fix CVE-2026-40468 Date: Tue, 28 Jul 2026 00:55:17 +0200 Message-ID: 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 ; Mon, 27 Jul 2026 22:56:09 -0000 X-Groupsio-URL: https://lists.openembedded.org/g/openembedded-core/message/242111 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=062f2f2581b991362c046f7f2e238ffa34e6f8c7 [2] https://nvd.nist.gov/vuln/detail/CVE-2026-40468 Signed-off-by: Darsh Kelaiya Reviewed-by: Leonid Iziumtsev Signed-off-by: Yoann Congal --- .../gawk/gawk/CVE-2026-40468.patch | 61 +++++++++++++++++++ meta/recipes-extended/gawk/gawk_5.4.0.bb | 1 + 2 files changed, 62 insertions(+) create mode 100644 meta/recipes-extended/gawk/gawk/CVE-2026-40468.patch diff --git a/meta/recipes-extended/gawk/gawk/CVE-2026-40468.patch b/meta/recipes-extended/gawk/gawk/CVE-2026-40468.patch new file mode 100644 index 00000000000..6b767c3bead --- /dev/null +++ b/meta/recipes-extended/gawk/gawk/CVE-2026-40468.patch @@ -0,0 +1,61 @@ +From 1e0b3ebeb4a39680dcd9c8eeadd8e3bf1c7c6200 Mon Sep 17 00:00:00 2001 +From: "Arnold D. Robbins" +Date: Sat, 4 Apr 2026 21:45:58 +0300 +Subject: [PATCH] Minor integer overflow fixes. + +CVE: CVE-2026-40468 +Upstream-Status: Backport [https://cgit.git.savannah.gnu.org/cgit/gawk.git/commit/?id=062f2f2581b991362c046f7f2e238ffa34e6f8c7] + +(cherry picked from commit 062f2f2581b991362c046f7f2e238ffa34e6f8c7) +Signed-off-by: Darsh Kelaiya +--- + ChangeLog | 8 ++++++++ + builtin.c | 2 +- + node.c | 2 +- + 3 files changed, 10 insertions(+), 2 deletions(-) + +diff --git a/ChangeLog b/ChangeLog +index 517aba91..8cdf90f6 100644 +--- a/ChangeLog ++++ b/ChangeLog +@@ -1,3 +1,11 @@ ++2026-04-04 Arnold D. Robbins ++ ++ * builtin.c (do_sub): Make `sofar' be size_t to avoid ++ integer overflows. Thanks to Michał Majchrowicz ++ for the report. ++ * node.c (parse_escape): Change `i' to int64_t to avoid ++ overflows. Thanks to ASan with gcc -m32. ++ + 2026-04-03 Arnold D. Robbins + + * io.c (do_getline_redir): Don't DEREF redir_exp too early. +diff --git a/builtin.c b/builtin.c +index 6305b541..d0e083da 100644 +--- a/builtin.c ++++ b/builtin.c +@@ -1806,7 +1806,7 @@ do_sub(int nargs, unsigned int flags) + char *repl; + char *replend; + size_t repllen; +- int sofar; ++ size_t sofar; + int ampersands; + int matches = 0; + Regexp *rp; +diff --git a/node.c b/node.c +index 0e2bfb0f..f1e14dff 100644 +--- a/node.c ++++ b/node.c +@@ -584,7 +584,7 @@ parse_escape(const char **string_ptr, const char **result, size_t *nbytes) + static char buf[MB_LEN_MAX]; + enum escape_results retval = ESCAPE_OK; + int c = *(*string_ptr)++; +- long i; ++ int64_t i; + int count; + int j; + const char *start; +-- +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 59c4cb2536f..345103a7f0a 100644 --- a/meta/recipes-extended/gawk/gawk_5.4.0.bb +++ b/meta/recipes-extended/gawk/gawk_5.4.0.bb @@ -29,6 +29,7 @@ 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 \ + file://CVE-2026-40468.patch \ " SRC_URI[sha256sum] = "3dd430f0cd3b4428c6c3f6afc021b9cd3c1f8c93f7a688dc268ca428a90b4ac1"