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GET /api/patches/2231526/?format=api
{ "id": 2231526, "url": "http://patchwork.ozlabs.org/api/patches/2231526/?format=api", "web_url": "http://patchwork.ozlabs.org/project/ubuntu-kernel/patch/f3f124545c78c5541e86eb6c1abfd73539a9a895.1777576834.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": "<f3f124545c78c5541e86eb6c1abfd73539a9a895.1777576834.git.massimiliano.pellizzer@canonical.com>", "list_archive_url": null, "date": "2026-04-30T19:28:20", "name": "[SRU,N,v2,9/9] crypto: algif_aead - Fix minimum RX size check for decryption", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "d65a9fa861a431b0ec42301a0373de6fbebdc496", "submitter": { "id": 89057, "url": "http://patchwork.ozlabs.org/api/people/89057/?format=api", "name": "Massimiliano Pellizzer", "email": "massimiliano.pellizzer@canonical.com" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/ubuntu-kernel/patch/f3f124545c78c5541e86eb6c1abfd73539a9a895.1777576834.git.massimiliano.pellizzer@canonical.com/mbox/", "series": [ { "id": 502367, "url": "http://patchwork.ozlabs.org/api/series/502367/?format=api", "web_url": "http://patchwork.ozlabs.org/project/ubuntu-kernel/list/?series=502367", "date": "2026-04-30T19:28:11", "name": "CVE-2026-31431", "version": 2, "mbox": "http://patchwork.ozlabs.org/series/502367/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2231526/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2231526/checks/", "tags": {}, "related": [], "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=XQ3JWloj;\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; 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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": "From: Herbert Xu <herbert@gondor.apana.org.au>\n\n[ Upstream commit 3d14bd48e3a77091cbce637a12c2ae31b4a1687c ]\n\nThe check for the minimum receive buffer size did not take the\ntag size into account during decryption. Fix this by adding the\nrequired extra length.\n\nReported-by: syzbot+aa11561819dc42ebbc7c@syzkaller.appspotmail.com\nReported-by: Daniel Pouzzner <douzzer@mega.nu>\nFixes: d887c52d6ae4 (\"crypto: algif_aead - overhaul memory management\")\nSigned-off-by: Herbert Xu <herbert@gondor.apana.org.au>\nSigned-off-by: Sasha Levin <sashal@kernel.org>\n(cherry picked from commit af2fa2fbbced26129813274b8b3f7705f280e174 linux-6.12.y)\nCVE-2026-31431\nSigned-off-by: Massimiliano Pellizzer <massimiliano.pellizzer@canonical.com>\n---\n crypto/algif_aead.c | 2 +-\n 1 file changed, 1 insertion(+), 1 deletion(-)", "diff": "diff --git a/crypto/algif_aead.c b/crypto/algif_aead.c\nindex c54693d18832..cb651ab58d62 100644\n--- a/crypto/algif_aead.c\n+++ b/crypto/algif_aead.c\n@@ -150,7 +150,7 @@ static int _aead_recvmsg(struct socket *sock, struct msghdr *msg,\n \tif (usedpages < outlen) {\n \t\tsize_t less = outlen - usedpages;\n \n-\t\tif (used < less) {\n+\t\tif (used < less + (ctx->enc ? 0 : as)) {\n \t\t\terr = -EINVAL;\n \t\t\tgoto free;\n \t\t}\n", "prefixes": [ "SRU", "N", "v2", "9/9" ] }