diff mbox series

[wrynose] Backport patch to fix CVE-2026-12087.

Message ID 20261104104137.2043865-1-jakub.szczudlo@nokia.com
State Superseded, archived
Delegated to: Yoann Congal
Headers show
Series [wrynose] Backport patch to fix CVE-2026-12087. | expand

Commit Message

Jakub Szczudlo (Nokia) Nov. 4, 2026, 10:41 a.m. UTC 
References:
  https://nvd.nist.gov/vuln/detail/CVE-2026-12087

Upstream fix:
  https://github.com/Perl/perl5/commit/de19a0b0ad1900fef976c5c1400bd8f11ec6c6cb

Tested with ptest

Signed-off-by: Jakub Szczudlo <jakub.szczudlo@nokia.com>
---
 .../perl/files/CVE-2026-12087.patch           | 161 ++++++++++++++++++
 meta/recipes-devtools/perl/perl_5.42.0.bb     |   1 +
 2 files changed, 162 insertions(+)
 create mode 100644 meta/recipes-devtools/perl/files/CVE-2026-12087.patch

Comments

patchtest@automation.yoctoproject.org Nov. 4, 2026, 10:46 a.m. UTC | #1 
Thank you for your submission. Patchtest identified one
or more issues with the patch. Please see the log below for
more information:

---
Testing patch /home/patchtest/share/mboxes/wrynose-Backport-patch-to-fix-CVE-2026-12087..patch

FAIL: test shortlog format: Commit shortlog (first line of commit message) should follow the format "<target>: <summary>" (test_mbox.TestMbox.test_shortlog_format)

PASS: test CVE check ignore (test_metadata.TestMetadata.test_cve_check_ignore)
PASS: test CVE tag format (test_patch.TestPatch.test_cve_tag_format)
PASS: test Signed-off-by presence (test_mbox.TestMbox.test_signed_off_by_presence)
PASS: test Signed-off-by presence (test_patch.TestPatch.test_signed_off_by_presence)
PASS: test Upstream-Status presence (test_patch.TestPatch.test_upstream_status_presence_format)
PASS: test auh changelog truncation notice (test_mbox.TestMbox.test_auh_changelog_truncation_notice)
PASS: test author valid (test_mbox.TestMbox.test_author_valid)
PASS: test commit message presence (test_mbox.TestMbox.test_commit_message_presence)
PASS: test commit message user tags (test_mbox.TestMbox.test_commit_message_user_tags)
PASS: test lic files chksum modified not mentioned (test_metadata.TestMetadata.test_lic_files_chksum_modified_not_mentioned)
PASS: test max line length (test_metadata.TestMetadata.test_max_line_length)
PASS: test mbox format (test_mbox.TestMbox.test_mbox_format)
PASS: test non-AUH upgrade (test_mbox.TestMbox.test_non_auh_upgrade)
PASS: test shortlog length (test_mbox.TestMbox.test_shortlog_length)
PASS: test target mailing list (test_mbox.TestMbox.test_target_mailing_list)

SKIP: pretest pylint: No python related patches, skipping test (test_python_pylint.PyLint.pretest_pylint)
SKIP: pretest src uri left files: Patch cannot be merged (test_metadata.TestMetadata.pretest_src_uri_left_files)
SKIP: test bugzilla entry format: No bug ID found (test_mbox.TestMbox.test_bugzilla_entry_format)
SKIP: test lic files chksum presence: No added recipes, skipping test (test_metadata.TestMetadata.test_lic_files_chksum_presence)
SKIP: test license presence: No added recipes, skipping test (test_metadata.TestMetadata.test_license_presence)
SKIP: test pylint: No python related patches, skipping test (test_python_pylint.PyLint.test_pylint)
SKIP: test series merge on head: Merge test is disabled for now (test_mbox.TestMbox.test_series_merge_on_head)
SKIP: test src uri left files: Patch cannot be merged (test_metadata.TestMetadata.test_src_uri_left_files)
SKIP: test summary presence: No added recipes, skipping test (test_metadata.TestMetadata.test_summary_presence)

---

Please address the issues identified and
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email with an explanation of why the patch should be accepted. If you
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diff mbox series

Patch

diff --git a/meta/recipes-devtools/perl/files/CVE-2026-12087.patch b/meta/recipes-devtools/perl/files/CVE-2026-12087.patch
new file mode 100644
index 0000000000..d362146e3a
--- /dev/null
+++ b/meta/recipes-devtools/perl/files/CVE-2026-12087.patch
@@ -0,0 +1,161 @@ 
+From: Paul LeoNerd Evans <leonerd@leonerd.org.uk>
+Date: Mon, 4 May 2026 16:12:49 +0100
+Subject: cpan/Socket - Update to version 2.041
+
+2.041   2026-03-26
+        [CHANGES]
+         * Modernise Pod documentation formatting
+
+        [BUGFIXES]
+         * Fix reuse of `STRLEN len` variable in pack_ip_mreq_source()
+
+Backport changes:
+- Adjusted the upstream hunks to match the perl 5.42 code layout.
+- Drop not code files from the backport.
+
+CVE: CVE-2026-12087
+Upstream-Status: Backport [https://github.com/Perl/perl5/commit/de19a0b0ad1900fef976c5c1400bd8f11ec6c6cb]
+
+Signed-off-by: Jakub Szczudlo <jakub.szczudlo@nokia.com>
+---
+ cpan/Socket/Socket.xs | 84 ++++++++++++++++++++++++++++++-----------------
+ 1 file changed, 57 insertions(+), 27 deletions(-)
+
+diff --git a/cpan/Socket/Socket.xs b/cpan/Socket/Socket.xs
+--- a/cpan/Socket/Socket.xs
++++ b/cpan/Socket/Socket.xs
+@@ -1272,26 +1272,35 @@
+         struct ip_mreq mreq;
+         char * multiaddrbytes;
+         char * interfacebytes;
+-        STRLEN len;
+-        if (DO_UTF8(multiaddr) && !sv_utf8_downgrade(multiaddr, 1))
+-            croak("Wide character in %s", "Socket::pack_ip_mreq");
+-        multiaddrbytes = SvPVbyte(multiaddr, len);
+-        if (len != sizeof(mreq.imr_multiaddr))
+-            croak("Bad arg length %s, length is %" UVuf ", should be %" UVuf,
+-                    "Socket::pack_ip_mreq", (UV)len, (UV)sizeof(mreq.imr_multiaddr));
++
++        {
++            if (DO_UTF8(multiaddr) && !sv_utf8_downgrade(multiaddr, 1))
++                croak("Wide character in %s", "Socket::pack_ip_mreq");
++
++            STRLEN len;
++            multiaddrbytes = SvPVbyte(multiaddr, len);
++            if (len != sizeof(mreq.imr_multiaddr))
++                croak("Bad arg length %s, length is %" UVuf ", should be %" UVuf,
++                        "Socket::pack_ip_mreq", (UV)len, (UV)sizeof(mreq.imr_multiaddr));
++        }
++
+         Zero(&mreq, sizeof(mreq), char);
+         Copy(multiaddrbytes, &mreq.imr_multiaddr, sizeof(mreq.imr_multiaddr), char);
+         if(SvOK(interface)) {
+             if (DO_UTF8(interface) && !sv_utf8_downgrade(interface, 1))
+                 croak("Wide character in %s", "Socket::pack_ip_mreq");
++
++            STRLEN len;
+             interfacebytes = SvPVbyte(interface, len);
+             if (len != sizeof(mreq.imr_interface))
+                 croak("Bad arg length %s, length is %" UVuf ", should be %" UVuf,
+                         "Socket::pack_ip_mreq", (UV)len, (UV)sizeof(mreq.imr_interface));
++
+             Copy(interfacebytes, &mreq.imr_interface, sizeof(mreq.imr_interface), char);
+         }
+         else
+             mreq.imr_interface.s_addr = INADDR_ANY;
++
+         ST(0) = sv_2mortal(newSVpvn((char *)&mreq, sizeof(mreq)));
+ #else
+         not_here("pack_ip_mreq");
+@@ -1331,33 +1340,48 @@
+         char * multiaddrbytes;
+         char * sourcebytes;
+         char * interfacebytes;
+-        STRLEN len;
+-        if (DO_UTF8(multiaddr) && !sv_utf8_downgrade(multiaddr, 1))
+-            croak("Wide character in %s", "Socket::pack_ip_mreq_source");
+-        multiaddrbytes = SvPVbyte(multiaddr, len);
+-        if (len != sizeof(mreq.imr_multiaddr))
+-            croak("Bad arg length %s, length is %" UVuf ", should be %" UVuf,
+-                    "Socket::pack_ip_mreq", (UV)len, (UV)sizeof(mreq.imr_multiaddr));
+-        if (DO_UTF8(source) && !sv_utf8_downgrade(source, 1))
+-            croak("Wide character in %s", "Socket::pack_ip_mreq_source");
+-        if (len != sizeof(mreq.imr_sourceaddr))
+-            croak("Bad arg length %s, length is %" UVuf ", should be %" UVuf,
+-                    "Socket::pack_ip_mreq", (UV)len, (UV)sizeof(mreq.imr_sourceaddr));
+-        sourcebytes = SvPVbyte(source, len);
++
++        {
++            if (DO_UTF8(multiaddr) && !sv_utf8_downgrade(multiaddr, 1))
++                croak("Wide character in %s", "Socket::pack_ip_mreq_source");
++
++            STRLEN len;
++            multiaddrbytes = SvPVbyte(multiaddr, len);
++            if (len != sizeof(mreq.imr_multiaddr))
++                croak("Bad arg length %s, length is %" UVuf ", should be %" UVuf,
++                        "Socket::pack_ip_mreq", (UV)len, (UV)sizeof(mreq.imr_multiaddr));
++        }
++
++        {
++            if (DO_UTF8(source) && !sv_utf8_downgrade(source, 1))
++                croak("Wide character in %s", "Socket::pack_ip_mreq_source");
++
++            STRLEN len;
++            sourcebytes = SvPVbyte(source, len);
++            if (len != sizeof(mreq.imr_sourceaddr))
++                croak("Bad arg length %s, length is %" UVuf ", should be %" UVuf,
++                        "Socket::pack_ip_mreq", (UV)len, (UV)sizeof(mreq.imr_sourceaddr));
++        }
++
+         Zero(&mreq, sizeof(mreq), char);
+         Copy(multiaddrbytes, &mreq.imr_multiaddr, sizeof(mreq.imr_multiaddr), char);
+         Copy(sourcebytes, &mreq.imr_sourceaddr, sizeof(mreq.imr_sourceaddr), char);
++
+         if(SvOK(interface)) {
+             if (DO_UTF8(interface) && !sv_utf8_downgrade(interface, 1))
+                 croak("Wide character in %s", "Socket::pack_ip_mreq");
++
++            STRLEN len;
+             interfacebytes = SvPVbyte(interface, len);
+             if (len != sizeof(mreq.imr_interface))
+                 croak("Bad arg length %s, length is %" UVuf ", should be %" UVuf,
+                         "Socket::pack_ip_mreq", (UV)len, (UV)sizeof(mreq.imr_interface));
++
+             Copy(interfacebytes, &mreq.imr_interface, sizeof(mreq.imr_interface), char);
+         }
+         else
+             mreq.imr_interface.s_addr = INADDR_ANY;
++
+         ST(0) = sv_2mortal(newSVpvn((char *)&mreq, sizeof(mreq)));
+ #else
+         PERL_UNUSED_VAR(multiaddr);
+@@ -1398,16 +1422,22 @@
+ #ifdef HAS_IPV6_MREQ
+         struct ipv6_mreq mreq;
+         char * multiaddrbytes;
+-        STRLEN len;
+-        if (DO_UTF8(multiaddr) && !sv_utf8_downgrade(multiaddr, 1))
+-            croak("Wide character in %s", "Socket::pack_ipv6_mreq");
+-        multiaddrbytes = SvPVbyte(multiaddr, len);
+-        if (len != sizeof(mreq.ipv6mr_multiaddr))
+-            croak("Bad arg length %s, length is %" UVuf ", should be %" UVuf,
+-                    "Socket::pack_ipv6_mreq", (UV)len, (UV)sizeof(mreq.ipv6mr_multiaddr));
++
++        {
++            if (DO_UTF8(multiaddr) && !sv_utf8_downgrade(multiaddr, 1))
++                croak("Wide character in %s", "Socket::pack_ipv6_mreq");
++
++            STRLEN len;
++            multiaddrbytes = SvPVbyte(multiaddr, len);
++            if (len != sizeof(mreq.ipv6mr_multiaddr))
++                croak("Bad arg length %s, length is %" UVuf ", should be %" UVuf,
++                        "Socket::pack_ipv6_mreq", (UV)len, (UV)sizeof(mreq.ipv6mr_multiaddr));
++        }
++
+         Zero(&mreq, sizeof(mreq), char);
+         Copy(multiaddrbytes, &mreq.ipv6mr_multiaddr, sizeof(mreq.ipv6mr_multiaddr), char);
+         mreq.ipv6mr_interface = ifindex;
++
+         ST(0) = sv_2mortal(newSVpvn((char *)&mreq, sizeof(mreq)));
+ #else
+         PERL_UNUSED_VAR(multiaddr);
diff --git a/meta/recipes-devtools/perl/perl_5.42.0.bb b/meta/recipes-devtools/perl/perl_5.42.0.bb
index 886eaaaa37..bbe979ab69 100644
--- a/meta/recipes-devtools/perl/perl_5.42.0.bb
+++ b/meta/recipes-devtools/perl/perl_5.42.0.bb
@@ -23,6 +23,7 @@  SRC_URI = "https://www.cpan.org/src/5.0/perl-${PV}.tar.gz;name=perl \
            file://CVE-2026-57432-02.patch \
            file://CVE-2026-42496.patch \
            file://CVE-2026-57433.patch \
+           file://CVE-2026-12087.patch \
            "
 SRC_URI:append:class-native = " \
            file://perl-configpm-switch.patch \