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([203.211.108.128]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-2b5faa14487sm204043415ad.18.2026.04.23.05.49.31 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 23 Apr 2026 05:49:33 -0700 (PDT) From: ankur.tyagi85@gmail.com To: openembedded-devel@lists.openembedded.org Cc: Gyorgy Sarvari , Khem Raj , Ankur Tyagi Subject: [oe][meta-oe][whinlatter][PATCH 11/19] libgphoto2: patch CVE-2026-40336 Date: Fri, 24 Apr 2026 00:48:09 +1200 Message-ID: <20260423124823.1983261-11-ankur.tyagi85@gmail.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20260423124823.1983261-1-ankur.tyagi85@gmail.com> References: <20260423124823.1983261-1-ankur.tyagi85@gmail.com> 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 ; Thu, 23 Apr 2026 12:49:35 -0000 X-Groupsio-URL: https://lists.openembedded.org/g/openembedded-devel/message/126587 From: Gyorgy Sarvari Details: https://nvd.nist.gov/vuln/detail/CVE-2026-40336 Backport the patch referenced by the NVD advisory. Signed-off-by: Gyorgy Sarvari Signed-off-by: Khem Raj (cherry picked from commit 078f26b084d7a7e4ac61521f73188249b9bdd39a) Signed-off-by: Ankur Tyagi --- .../gphoto2/libgphoto2/CVE-2026-40336.patch | 44 +++++++++++++++++++ .../gphoto2/libgphoto2_2.5.33.bb | 1 + 2 files changed, 45 insertions(+) create mode 100644 meta-oe/recipes-graphics/gphoto2/libgphoto2/CVE-2026-40336.patch diff --git a/meta-oe/recipes-graphics/gphoto2/libgphoto2/CVE-2026-40336.patch b/meta-oe/recipes-graphics/gphoto2/libgphoto2/CVE-2026-40336.patch new file mode 100644 index 0000000000..1a809b4f25 --- /dev/null +++ b/meta-oe/recipes-graphics/gphoto2/libgphoto2/CVE-2026-40336.patch @@ -0,0 +1,44 @@ +From e19c45d3530f1585805711e14aa4ea788e499f46 Mon Sep 17 00:00:00 2001 +From: Marcus Meissner +Date: Wed, 8 Apr 2026 15:13:51 +0200 +Subject: [PATCH] Fixed Sony DPD Secondary Enum List Memory Leak +MIME-Version: 1.0 +Content-Type: text/plain; charset=UTF-8 +Content-Transfer-Encoding: 8bit + +Finding 4: Sony DPD Secondary Enum List Memory Leak (CWE-401) — LOW + +File: ptp-pack.c:884-885 + +When processing a secondary enumeration list (2024+ Sony cameras), line +884–885 overwrites dpd->FORM.Enum.SupportedValue with a new calloc() +without freeing the previous allocation from line 857. The original +array and any string values it contains are leaked. + +CVE-2026-40336 + +Reported-By: Sebastián Alba + +CVE: CVE-2026-40336 +Upstream-Status: Backport [https://github.com/gphoto/libgphoto2/commit/404ff02c75f3cb280196fc260a63c4d26cf1a8f6] +Signed-off-by: Gyorgy Sarvari +--- + camlibs/ptp2/ptp-pack.c | 5 +++++ + 1 file changed, 5 insertions(+) + +diff --git a/camlibs/ptp2/ptp-pack.c b/camlibs/ptp2/ptp-pack.c +index 7fc120d..fc51d77 100644 +--- a/camlibs/ptp2/ptp-pack.c ++++ b/camlibs/ptp2/ptp-pack.c +@@ -879,6 +879,11 @@ ptp_unpack_Sony_DPD (PTPParams *params, const unsigned char* data, PTPDeviceProp + /* check if we have a secondary list of items, this is for newer Sonys (2024) */ + if (val < 0x200) { /* if a secondary list is not provided, this will be the next property code - 0x5XXX or 0xDxxx */ + if (dpd->FormFlag == PTP_DPFF_Enumeration) { ++ /* free old enum variables */ ++ for (i=0;iFORM.Enum.NumberOfValues;i++) ++ ptp_free_propvalue (dpd->DataType, dpd->FORM.Enum.SupportedValue+i); ++ free (dpd->FORM.Enum.SupportedValue); ++ + N = dtoh16o(data, *poffset); + dpd->FORM.Enum.SupportedValue = calloc(N,sizeof(dpd->FORM.Enum.SupportedValue[0])); + if (!dpd->FORM.Enum.SupportedValue) diff --git a/meta-oe/recipes-graphics/gphoto2/libgphoto2_2.5.33.bb b/meta-oe/recipes-graphics/gphoto2/libgphoto2_2.5.33.bb index 84ce802ea4..85c86a03a6 100644 --- a/meta-oe/recipes-graphics/gphoto2/libgphoto2_2.5.33.bb +++ b/meta-oe/recipes-graphics/gphoto2/libgphoto2_2.5.33.bb @@ -15,6 +15,7 @@ SRC_URI = "${SOURCEFORGE_MIRROR}/gphoto/${BP}.tar.xz;name=libgphoto2 \ file://CVE-2026-40333.patch \ file://CVE-2026-40334.patch \ file://CVE-2026-40335.patch \ + file://CVE-2026-40336.patch \ " SRC_URI[libgphoto2.sha256sum] = "28825f767a85544cb58f6e15028f8e53a5bb37a62148b3f1708b524781c3bef2"