From patchwork Mon Jun 15 17:31:23 2026 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Deepak Rathore -X (deeratho - E INFOCHIPS PRIVATE LIMITED at Cisco)" X-Patchwork-Id: 90137 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from aws-us-west-2-korg-lkml-1.web.codeaurora.org (localhost.localdomain [127.0.0.1]) by smtp.lore.kernel.org (Postfix) with ESMTP id 84B42CD98DA for ; Mon, 15 Jun 2026 17:31:49 +0000 (UTC) Received: from rcdn-iport-2.cisco.com (rcdn-iport-2.cisco.com [173.37.86.73]) by mx.groups.io with SMTP id smtpd.msgproc02-g2.134969.1781544700390698878 for ; Mon, 15 Jun 2026 10:31:40 -0700 Authentication-Results: mx.groups.io; dkim=fail reason="dkim: message contains an insecure body length tag" header.i=@cisco.com header.s=iport01 header.b=hoqfiuOV; spf=pass (domain: cisco.com, ip: 173.37.86.73, mailfrom: deeratho@cisco.com) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=cisco.com; i=@cisco.com; l=3048; q=dns/txt; s=iport01; t=1781544700; x=1782754300; h=from:to:subject:date:message-id:mime-version: content-transfer-encoding; bh=7qJyLExMqnEmNI7tU5eiVnLtzEPdHCyff/BDw9Q431A=; b=hoqfiuOVVW4mMQ2eBO9X8mOnnVos2w3uYPPUTi+IFXN97T1hltODlDc8 JGpbWzzNvYSnDJHgCH2Huj363FZu8d/vzBUDnISxhJppTQV7iHWacEu7W km3ntYM/TO325Aas5i73KRGPpEfVYESnopPYK+X++woIBW/WNZ8eodlnb B2Fu4417h+3U/LLeTqnuaV4JYBgcYVEmvElV7OLnh5W8mP2wBALOvQDAd 0Z4V3Uj+4+hGW8lslYDz94RhkJ13LC/i4fZDha6LwvTKEeK+ybuEsjAid aeZOqqq8XrQ15j8i3KMmxRjOhRT/j1Al7hnH3SOMHnhRbIBaKYqTtjgHN w==; X-CSE-ConnectionGUID: cG4FBWGYS9yCHuB0jTeotg== X-CSE-MsgGUID: J9N80LTMT0u+9RqWQZ/H+g== X-IPAS-Result: A0BDAgCFNTBq/47/Ja1aglmCV3RfQkkDlCeCIYEWnQiBfg8BAQEPRA0EAQGSSgImNAkOAQIEAwIDAQEBAQEBAQEBAQELAQEFAQEBAgEHBYEOE4ZPDYZaAS0LAXIDAQJaIyGDAgGCcwIBEbVsGjeBeTOBAYNaAwIJAkNQ2ywBCxQBgTiFP4gfWxgBhHwnGxuBcoEVgnN2gQWBXAWIIgSCIoEMgVoeUoFRggqKXEiBHgNZLAFVEw0KCwcFgWYDNRIqFW4yHYEjPheBDBsHBYFKgg+BBYULIx8DOX+Bb4ElZ2YVMDWBAhEfChwDCxgNSBEsNxQbBD5uB4xRFw+BS3KBDhQYIoIKkxGSZaEPCiiDdYwhlToaM4VbpRGZCI4KlWhohGiBaDyBWXAVgyIJShkPji0LC4NghRPCZCQ1CwMvAQEHAgcOAwuBaJF9AQE IronPort-Data: A9a23:UEn5/qy4ab8ewoEB1lB6t+dmxyrEfRIJ4+MujC+fZmUNrF6WrkVWz WZOWD3TaK6IMDOgethzPd+z8kMEupLVyNIySAs5/1hgHilAwSbn6Xt1DatR0we6dJCroJdPt p1GAjX4BJlqCCea/VH1buSJQUBUjcmgXqD7BPPPJhd/TAplTDZJoR94kobVuKYw6TSCK13L4 4+aT/H3Ygf/hWYqaz9MsspvlTs21BjMkGJA1rABTagjUG/2zxE9EJ8ZLKetGHr0KqE8NvK6X evK0Iai9Wrf+Ro3Yvv9+losWhRXKlJ6FVHmZkt+A8BOsDAbzsAB+vpT2M4nVKtio27hc+adZ zl6ncfYpQ8BZsUgkQmGOvVSO3kW0aZuoNcrLZUj2CCe5xWuTpfi/xlhJEoZYaMyxclGOjBf3 twFAmgPUh2Em+3jldpXSsE07igiBNPgMIVavjRryivUSK57B5vCWK7No9Rf2V/chOgXQq2YP JVfM2cyKk2cOXWjOX9PYH46tOuli2P2bz1fgFmUvqEwpWPUyWSd1ZCxYIKLIIHVHpw9ckCwh DPgrzzdPjQmbMHcmACczUuewc+MknauMG4VPPjinhJwu3WU3mEVBRgcWFe3rPX8gUmkVvpbK lcI4WwptaU0+UmhQ9XxUhH+p2SL1iPwQPJKGOE8rQXIwa3O7kPBWy4PTyVKb5ots8peqSEW6 2JlVujBXVRH2IB5g1rEnltIhVte4RQoEFI= IronPort-HdrOrdr: A9a23:kPY3HKi8QanSok7he85EcCTM3XBQXuoji2hC6mlwRA09TyX+rb HNoB1173HJYVoqNU3I+urwW5VoP0m8yXcd2+B4Vt2ftWLd11dAQrsP0WKb+V3dMhy70PJB3q F9dKU7ItjxAV9myfve2mCDYrMdKB3tytHOuQ8YpE0dKT1XVw== X-Talos-CUID: 9a23:Vxvlf2ubt02k3IzmOh0bEa3R6IsuXSHz5kj/EnTpGE1JVZfNS2Od/79rxp8= X-Talos-MUID: 9a23:29a08Q7gz+ksE4sJo8/eqiYAxoxKsoL+UGQxtKleporVDzVPAgXarHe4F9o= X-IronPort-Anti-Spam-Filtered: true X-IronPort-AV: E=Sophos;i="6.24,206,1774310400"; d="scan'208";a="480625731" Received: from rcdn-l-core-05.cisco.com ([173.37.255.142]) by rcdn-iport-2.cisco.com with ESMTP/TLS/TLS_AES_256_GCM_SHA384; 15 Jun 2026 17:31:39 +0000 Received: from sjc-ads-3552.cisco.com (sjc-ads-3552.cisco.com [171.68.249.250]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256 client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "ciscoit-managed-infra-smtp-auth.cisco.com", Issuer "Internal Private TLS SubCA" (verified OK)) by rcdn-l-core-05.cisco.com (Postfix) with ESMTPS id 4F5CF18000348 for ; Mon, 15 Jun 2026 17:31:39 +0000 (GMT) Received: by sjc-ads-3552.cisco.com (Postfix, from userid 1795984) id EF91FCC2EC3; Mon, 15 Jun 2026 10:31:38 -0700 (PDT) From: "Deepak Rathore -X (deeratho - E INFOCHIPS PRIVATE LIMITED at Cisco)" To: openembedded-core@lists.openembedded.org Subject: [OE-core][wrynose][PATCH] qemu: Fix CVE-2024-6519 Date: Mon, 15 Jun 2026 10:31:23 -0700 Message-Id: <20260615173123.4157356-1-deeratho@cisco.com> X-Mailer: git-send-email 2.35.6 MIME-Version: 1.0 X-Outbound-Client-TLS: VERIFIED;sjc-ads-3552.cisco.com [171.68.249.250];TLSv1.3;TLS_AES_256_GCM_SHA384;256;ciscoit-managed-infra-smtp-auth.cisco.com X-Outbound-SMTP-Client: 171.68.249.250, sjc-ads-3552.cisco.com X-Outbound-Node: rcdn-l-core-05.cisco.com 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, 15 Jun 2026 17:31:49 -0000 X-Groupsio-URL: https://lists.openembedded.org/g/openembedded-core/message/238858 From: Deepak Rathore This patch applies the upstream QEMU fix for CVE-2024-6519. The upstream fix commit is referenced in [1], the Debian tracker fix status is referenced in [2], and the public security advisory is referenced in [3]. [1] https://gitlab.com/qemu-project/qemu/-/commit/4862d2c95104d9fd0430cc003c205094f8ada1f9 [2] https://security-tracker.debian.org/tracker/CVE-2024-6519 [3] https://www.zerodayinitiative.com/advisories/ZDI-24-1382/ Signed-off-by: Deepak Rathore diff --git a/meta/recipes-devtools/qemu/qemu.inc b/meta/recipes-devtools/qemu/qemu.inc index 5f30416a48..4b6c2252b7 100644 --- a/meta/recipes-devtools/qemu/qemu.inc +++ b/meta/recipes-devtools/qemu/qemu.inc @@ -36,6 +36,7 @@ SRC_URI = "https://download.qemu.org/${BPN}-${PV}.tar.xz \ file://0001-accel-tcg-Fix-iotlb_to_section-for-different-Address.patch \ file://qemu-guest-agent.init \ file://qemu-guest-agent.udev \ + file://CVE-2024-6519.patch \ " # file index at download.qemu.org isn't reliable: https://gitlab.com/qemu-project/qemu-web/-/issues/9 UPSTREAM_CHECK_URI = "https://www.qemu.org" diff --git a/meta/recipes-devtools/qemu/qemu/CVE-2024-6519.patch b/meta/recipes-devtools/qemu/qemu/CVE-2024-6519.patch new file mode 100644 index 0000000000..9bd36bed2c --- /dev/null +++ b/meta/recipes-devtools/qemu/qemu/CVE-2024-6519.patch @@ -0,0 +1,53 @@ +From 56cd5218a61d7365e501b57d8d79330ffa696031 Mon Sep 17 00:00:00 2001 +From: Paolo Bonzini +Date: Fri, 27 Mar 2026 17:37:31 +0100 +Subject: [PATCH] lsi53c895a: keep a reference to the device while SCRIPTS + execute + +SCRIPTS execution can trigger PCI device unplug and consequently +a use-after-free after the unplug returns. Avoid this by keeping +the device alive. + +Resolves: https://gitlab.com/qemu-project/qemu/-/work_items/3090 + +CVE: CVE-2024-6519 +Upstream-Status: Backport [https://gitlab.com/qemu-project/qemu/-/commit/4862d2c95104d9fd0430cc003c205094f8ada1f9] + +Cc: qemu-stable@nongnu.org +Signed-off-by: Paolo Bonzini +(cherry picked from commit 4862d2c95104d9fd0430cc003c205094f8ada1f9) +Signed-off-by: Deepak Rathore +--- + hw/scsi/lsi53c895a.c | 3 +++ + 1 file changed, 3 insertions(+) + +diff --git a/hw/scsi/lsi53c895a.c b/hw/scsi/lsi53c895a.c +index 9ea4aa0a853..2cc7e945e16 100644 +--- a/hw/scsi/lsi53c895a.c ++++ b/hw/scsi/lsi53c895a.c +@@ -1163,6 +1163,7 @@ static void lsi_execute_script(LSIState *s) + s->waiting = LSI_NOWAIT; + } + ++ object_ref(s); + reentrancy_level++; + + s->istat1 |= LSI_ISTAT1_SRUN; +@@ -1182,6 +1183,7 @@ again: + s->waiting = LSI_WAIT_SCRIPTS; + lsi_scripts_timer_start(s); + reentrancy_level--; ++ object_unref(s); + return; + } + insn = read_dword(s, s->dsp); +@@ -1630,6 +1632,7 @@ again: + trace_lsi_execute_script_stop(); + + reentrancy_level--; ++ object_unref(s); + } + + static uint8_t lsi_reg_readb(LSIState *s, int offset) +-- +2.35.6