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([203.211.108.128]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-2b5faa14487sm204043415ad.18.2026.04.23.05.49.34 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 23 Apr 2026 05:49:36 -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 12/19] libgphoto2: patch CVE-2026-40338 Date: Fri, 24 Apr 2026 00:48:10 +1200 Message-ID: <20260423124823.1983261-12-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 12:49:45 -0000 X-Groupsio-URL: https://lists.openembedded.org/g/openembedded-devel/message/126588 From: Gyorgy Sarvari Details: https://nvd.nist.gov/vuln/detail/CVE-2026-40338 Backport the patch referenced by the NVD advisory. Signed-off-by: Gyorgy Sarvari Signed-off-by: Khem Raj (cherry picked from commit f22e17508e89cf8bbb98e3cbe186bb99e379c456) Signed-off-by: Ankur Tyagi --- .../gphoto2/libgphoto2/CVE-2026-40338.patch | 34 +++++++++++++++++++ .../gphoto2/libgphoto2_2.5.33.bb | 1 + 2 files changed, 35 insertions(+) create mode 100644 meta-oe/recipes-graphics/gphoto2/libgphoto2/CVE-2026-40338.patch diff --git a/meta-oe/recipes-graphics/gphoto2/libgphoto2/CVE-2026-40338.patch b/meta-oe/recipes-graphics/gphoto2/libgphoto2/CVE-2026-40338.patch new file mode 100644 index 0000000000..9f233f2ec9 --- /dev/null +++ b/meta-oe/recipes-graphics/gphoto2/libgphoto2/CVE-2026-40338.patch @@ -0,0 +1,34 @@ +From 43cc20e807cd2935869617a7d8b9488070712c0e Mon Sep 17 00:00:00 2001 +From: Marcus Meissner +Date: Sat, 11 Apr 2026 10:47:52 +0200 +Subject: [PATCH] =?UTF-8?q?Fixed=20Sony=20DPD=20Enum=20Count=20OOB=20Read?= + =?UTF-8?q?=20(CWE-125)=20=E2=80=94=20MEDIUM?= +MIME-Version: 1.0 +Content-Type: text/plain; charset=UTF-8 +Content-Transfer-Encoding: 8bit + +In the PTP_DPFF_Enumeration case of ptp_unpack_Sony_DPD(), dtoh16o(data, *poffset) reads 2 bytes for enumeration count N without verifying 2 bytes remain. The standard parser at line 704 has this check. + +CVE-2026-40338 + +Reported-By: Sebastián Alba + +CVE: CVE-2026-40338 +Upstream-Status: Backport [https://github.com/gphoto/libgphoto2/commit/3b9f9696be76ae51dca983d9dd8ce586a2561845] +Signed-off-by: Gyorgy Sarvari +--- + camlibs/ptp2/ptp-pack.c | 1 + + 1 file changed, 1 insertion(+) + +diff --git a/camlibs/ptp2/ptp-pack.c b/camlibs/ptp2/ptp-pack.c +index fc51d77..f90d2a5 100644 +--- a/camlibs/ptp2/ptp-pack.c ++++ b/camlibs/ptp2/ptp-pack.c +@@ -851,6 +851,7 @@ ptp_unpack_Sony_DPD (PTPParams *params, const unsigned char* data, PTPDeviceProp + break; + case PTP_DPFF_Enumeration: { + #define N dpd->FORM.Enum.NumberOfValues ++ if (*poffset + sizeof(uint16_t) > dpdlen) goto outofmemory; + 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 85c86a03a6..440b78dffb 100644 --- a/meta-oe/recipes-graphics/gphoto2/libgphoto2_2.5.33.bb +++ b/meta-oe/recipes-graphics/gphoto2/libgphoto2_2.5.33.bb @@ -16,6 +16,7 @@ SRC_URI = "${SOURCEFORGE_MIRROR}/gphoto/${BP}.tar.xz;name=libgphoto2 \ file://CVE-2026-40334.patch \ file://CVE-2026-40335.patch \ file://CVE-2026-40336.patch \ + file://CVE-2026-40338.patch \ " SRC_URI[libgphoto2.sha256sum] = "28825f767a85544cb58f6e15028f8e53a5bb37a62148b3f1708b524781c3bef2"