Show a cover letter.

GET /api/covers/2231263/?format=api
HTTP 200 OK
Allow: GET, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "id": 2231263,
    "url": "http://patchwork.ozlabs.org/api/covers/2231263/?format=api",
    "web_url": "http://patchwork.ozlabs.org/project/ubuntu-kernel/cover/cover.1777552173.git.massimiliano.pellizzer@canonical.com/",
    "project": {
        "id": 15,
        "url": "http://patchwork.ozlabs.org/api/projects/15/?format=api",
        "name": "Ubuntu Kernel",
        "link_name": "ubuntu-kernel",
        "list_id": "kernel-team.lists.ubuntu.com",
        "list_email": "kernel-team@lists.ubuntu.com",
        "web_url": null,
        "scm_url": null,
        "webscm_url": null,
        "list_archive_url": "",
        "list_archive_url_format": "",
        "commit_url_format": ""
    },
    "msgid": "<cover.1777552173.git.massimiliano.pellizzer@canonical.com>",
    "list_archive_url": null,
    "date": "2026-04-30T12:30:28",
    "name": "[SRU,J,0/9] CVE-2026-31431",
    "submitter": {
        "id": 89057,
        "url": "http://patchwork.ozlabs.org/api/people/89057/?format=api",
        "name": "Massimiliano Pellizzer",
        "email": "massimiliano.pellizzer@canonical.com"
    },
    "mbox": "http://patchwork.ozlabs.org/project/ubuntu-kernel/cover/cover.1777552173.git.massimiliano.pellizzer@canonical.com/mbox/",
    "series": [
        {
            "id": 502300,
            "url": "http://patchwork.ozlabs.org/api/series/502300/?format=api",
            "web_url": "http://patchwork.ozlabs.org/project/ubuntu-kernel/list/?series=502300",
            "date": "2026-04-30T12:30:28",
            "name": "CVE-2026-31431",
            "version": 1,
            "mbox": "http://patchwork.ozlabs.org/series/502300/mbox/"
        }
    ],
    "comments": "http://patchwork.ozlabs.org/api/covers/2231263/comments/",
    "headers": {
        "Return-Path": "<kernel-team-bounces@lists.ubuntu.com>",
        "X-Original-To": "incoming@patchwork.ozlabs.org",
        "Delivered-To": "patchwork-incoming@legolas.ozlabs.org",
        "Authentication-Results": [
            "legolas.ozlabs.org;\n\tdkim=fail reason=\"signature verification failed\" (4096-bit key;\n unprotected) header.d=canonical.com header.i=@canonical.com\n header.a=rsa-sha256 header.s=20251003 header.b=gEpCcoS0;\n\tdkim-atps=neutral",
            "legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=lists.ubuntu.com\n (client-ip=185.125.189.65; helo=lists.ubuntu.com;\n envelope-from=kernel-team-bounces@lists.ubuntu.com;\n receiver=patchwork.ozlabs.org)"
        ],
        "Received": [
            "from lists.ubuntu.com (lists.ubuntu.com [185.125.189.65])\n\t(using TLSv1.2 with cipher ECDHE-ECDSA-AES256-GCM-SHA384 (256/256 bits))\n\t(No client certificate requested)\n\tby legolas.ozlabs.org (Postfix) with ESMTPS id 4g5tpF2Whdz1yGq\n\tfor <incoming@patchwork.ozlabs.org>; Thu, 30 Apr 2026 22:31:49 +1000 (AEST)",
            "from localhost ([127.0.0.1] helo=lists.ubuntu.com)\n\tby lists.ubuntu.com with esmtp (Exim 4.86_2)\n\t(envelope-from <kernel-team-bounces@lists.ubuntu.com>)\n\tid 1wIQYN-0005IN-AM; Thu, 30 Apr 2026 12:31:39 +0000",
            "from smtp-relay-internal-0.internal ([10.131.114.225]\n helo=smtp-relay-internal-0.canonical.com)\n by lists.ubuntu.com with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128)\n (Exim 4.86_2) (envelope-from <massimiliano.pellizzer@canonical.com>)\n id 1wIQYF-0004og-KL\n for kernel-team@lists.ubuntu.com; Thu, 30 Apr 2026 12:31:31 +0000",
            "from mail-wm1-f70.google.com (mail-wm1-f70.google.com\n [209.85.128.70])\n (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)\n key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest\n SHA256)\n (No client certificate requested)\n by smtp-relay-internal-0.canonical.com (Postfix) with ESMTPS id 704723F427\n for <kernel-team@lists.ubuntu.com>; Thu, 30 Apr 2026 12:31:31 +0000 (UTC)",
            "by mail-wm1-f70.google.com with SMTP id\n 5b1f17b1804b1-48906aa28cbso15915575e9.0\n for <kernel-team@lists.ubuntu.com>; Thu, 30 Apr 2026 05:31:31 -0700 (PDT)",
            "from tuxedo-infinitybook.ts.net\n (net-93-71-66-38.cust.vodafonedsl.it. [93.71.66.38])\n by smtp.gmail.com with ESMTPSA id\n 5b1f17b1804b1-48a81ed6bafsm103695005e9.2.2026.04.30.05.31.28\n for <kernel-team@lists.ubuntu.com>\n (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256);\n Thu, 30 Apr 2026 05:31:29 -0700 (PDT)"
        ],
        "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/relaxed; d=canonical.com;\n s=20251003; t=1777552291;\n bh=jet3TJWjGgxK70j4/yo/3BjkND5PJEt8jfe+zIUiY/k=;\n h=From:To:Subject:Date:Message-ID:In-Reply-To:References:\n MIME-Version;\n b=gEpCcoS0fhikjLMhp2rFODtuOsy1NoESStVMWBtE5Gv2JMXEMI0SDwYuUu8+Jcbio\n Bie0ewN5kCq/oQWtTY2dHl91tB0EtQGk0fWo4QSGuQwFAT/DttykVmBJVBFHyQvXCE\n 88MRubfo9uEbUE5eEw5NnxVvNIByzS8xrtlAv6uRxQ686gyn94gR//vGcn/kdHmSjj\n 7P2fKarHVPXf7/2AsPQ1ivA3GSt8wq0dSFhcArNxYqOP7mm9vSYUP+kAinjdlP6qCs\n PhBozo2853FiMxaFmAxa+fHGcyWYrr7jsnbL94uP0Xfj3S14RHKsN9h5ASOaOF1fOM\n 7M4rJW8TDR91yPEwyk1el5Wjeab33Wa/QXUBvfBxAkf3mZUtaEHbTtLVeZig7AG83c\n 2AOo8mcDqrK39vUeyf9Htpa+nW2SsqptDylrsb4bbUTZ38AVWCN6CNjCFvOUXq2b+n\n EC2pbLGQbvURiXfRv5kXHhDqSxZWnoJGzv0NqskVaDmYAGlNyu50LHDH70WBK71cXJ\n 4M8E+sAmb2ypTHap9J0siIal1NBYmIfbEoICim22f9h8LkrpbSgbW7pVMFK8k754f4\n RPADS3kvUo/vQMym1OiIeaQ2CjnaXUUmz8QJpA1n8yyyn7/AspX3cUmGGNqBJhpenx\n wqlXXrOcahMbWNd8LRT/9p0U=",
        "X-Google-DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/relaxed;\n d=1e100.net; s=20251104; t=1777552291; x=1778157091;\n h=content-transfer-encoding:mime-version:references:in-reply-to\n :message-id:date:subject:to:from:x-gm-gg:x-gm-message-state:from:to\n :cc:subject:date:message-id:reply-to;\n bh=jet3TJWjGgxK70j4/yo/3BjkND5PJEt8jfe+zIUiY/k=;\n b=SdmIKSfRJDe9t+gUZnWGg/XMw26VWImmduq31FkSnhUBYFYvVZiPaTOhZJV8w5PpMv\n vWMxB4XqSFZL/SXE25R+MN9snEefV9rdlYvAyOVUALnyHkFvXMkFLkfJxaCbsMlRuUTR\n VQq4Flt6Aggc82EG+1H/O17ie134l/4/SX9gPqCKZfPcrbE1vjTSAEA/VAAAQVl2RsQO\n cCSnZ9HSA7LIaBx0Ewb/19t5e4H1AFLekb2TEDITYwKhaI8gozov56iOr1CXQ7quqnaG\n MINSO+hlcUabZSrf5uJNRqulKNjOdOmUy2JfEBcUZtq1QVrZZynz5SGzpZl8vWQYnLLK\n 43JQ==",
        "X-Gm-Message-State": "AOJu0Yzo9rqBHJ0TNq5MrGW2UR/l3HtA6lXQYCyW2+o9BE3NfW0xON1K\n L8i48819yfs1CLe5cwi8wwXgvyb3kVMS7rnLpr0Zjs+ShPjF1y9MNwjDgeJJ8bYun9hWoj+x+4k\n 3TT4CMrU1T/+iUTmPdj4jtVnxufof4xs1syPR/dWxO9Y5U+3cX3U/fc39guorVnAde1Nlzv5GOm\n QkAq/7jJaeSoysmA==",
        "X-Gm-Gg": "AeBDieuA6327i3A770Lh4562N72uFf22fbe8PWpu/mczPXpONXqV6sB/luhwK6zOOhU\n t4T0QxNpdc7q7X9OEfLIdCI3H31iXOr030uEjQPmXqLui21GftYUJc2og7awuoti2e8ZWz+gFNu\n 0ARnr+rrwqAmCXXius7HoiR1lh9sZ2ZMFd6KlGUrLhogcvU/8d2dHanP3cr80qM3O2PmO98E0Y5\n 5UXRbBp6LUI/azbcLoCTGKP9lLRQYYvdr+9ZvuMeRv5T4nrf4lccNXfjUyeueqfJAh7vqaa5fsi\n eVKx5LZ86+OJA1Y1hNBhr/Rb7esvd82AAQnCW/i1VP7HRaKhFvWit8loo4abk/s45nQwhqIv6OO\n tXGEVgK3t2yO6CBhxx4EeCMCdyWe6wuYwOen63axKG3U2er5K1z9rOXKLzKmC6T4Miyw37wngAL\n mP7ZxlnnIQvuRjsksXZ3+ItLriezReuaJo5NhWDBKgaUC72gkslkSfF6MwtUiyqdGMQXFCP1JF+\n 48yI8xNQ86wwRbzpYij57o=",
        "X-Received": [
            "by 2002:a05:600c:4e8e:b0:486:f893:56c6 with SMTP id\n 5b1f17b1804b1-48a860758c7mr37736885e9.10.1777552290537;\n Thu, 30 Apr 2026 05:31:30 -0700 (PDT)",
            "by 2002:a05:600c:4e8e:b0:486:f893:56c6 with SMTP id\n 5b1f17b1804b1-48a860758c7mr37736115e9.10.1777552289636;\n Thu, 30 Apr 2026 05:31:29 -0700 (PDT)"
        ],
        "From": "Massimiliano Pellizzer <massimiliano.pellizzer@canonical.com>",
        "To": "kernel-team@lists.ubuntu.com",
        "Subject": "[SRU][J][PATCH 0/9] CVE-2026-31431",
        "Date": "Thu, 30 Apr 2026 14:30:28 +0200",
        "Message-ID": "<cover.1777552173.git.massimiliano.pellizzer@canonical.com>",
        "X-Mailer": "git-send-email 2.53.0",
        "In-Reply-To": "\n <177754965576.503496.12142658280614619991@tuxedo-infinitybook.public>",
        "References": "\n <177754965576.503496.12142658280614619991@tuxedo-infinitybook.public>",
        "MIME-Version": "1.0",
        "X-BeenThere": "kernel-team@lists.ubuntu.com",
        "X-Mailman-Version": "2.1.20",
        "Precedence": "list",
        "List-Id": "Kernel team discussions <kernel-team.lists.ubuntu.com>",
        "List-Unsubscribe": "<https://lists.ubuntu.com/mailman/options/kernel-team>,\n <mailto:kernel-team-request@lists.ubuntu.com?subject=unsubscribe>",
        "List-Archive": "<https://lists.ubuntu.com/archives/kernel-team>",
        "List-Post": "<mailto:kernel-team@lists.ubuntu.com>",
        "List-Help": "<mailto:kernel-team-request@lists.ubuntu.com?subject=help>",
        "List-Subscribe": "<https://lists.ubuntu.com/mailman/listinfo/kernel-team>,\n <mailto:kernel-team-request@lists.ubuntu.com?subject=subscribe>",
        "Content-Type": "text/plain; charset=\"utf-8\"",
        "Content-Transfer-Encoding": "base64",
        "Errors-To": "kernel-team-bounces@lists.ubuntu.com",
        "Sender": "\"kernel-team\" <kernel-team-bounces@lists.ubuntu.com>"
    },
    "content": "https://ubuntu.com/security/CVE-2026-31431\n\nDouya Le (1):\n  crypto: algif_aead - snapshot IV for async AEAD requests\n\nEric Biggers (3):\n  crypto: scatterwalk - Backport memcpy_sglist()\n  crypto: algif_aead - use memcpy_sglist() instead of null skcipher\n  crypto: authenc - use memcpy_sglist() instead of null skcipher\n\nHerbert Xu (5):\n  crypto: algif_aead - Revert to operating out-of-place\n  crypto: authencesn - Do not place hiseq at end of dst for out-of-place\n    decryption\n  crypto: authencesn - Fix src offset when decrypting in-place\n  crypto: af_alg - Fix page reassignment overflow in af_alg_pull_tsgl\n  crypto: algif_aead - Fix minimum RX size check for decryption\n\n crypto/Kconfig               |   2 -\n crypto/af_alg.c              |  51 ++-------\n crypto/algif_aead.c          | 203 ++++++++---------------------------\n crypto/algif_skcipher.c      |   6 +-\n crypto/authenc.c             |  32 +-----\n crypto/authencesn.c          |  84 ++++++---------\n crypto/scatterwalk.c         |  94 ++++++++++++++++\n include/crypto/if_alg.h      |   5 +-\n include/crypto/scatterwalk.h |  32 ++++++\n 9 files changed, 217 insertions(+), 292 deletions(-)"
}