From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 2206) id 63C0B385E03D; Tue, 26 Sep 2023 22:53:34 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 63C0B385E03D DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=sourceware.org; s=default; t=1695768814; bh=M3R2ICkTeoU/eIFlPFDBHqXB+wMI/pN5aXCf8EBRs0U=; h=From:To:Subject:Date:From; b=XTun/J0yB9Kb7DAyehbM4fV+LfsUJE4tu5GriDlH9HC1A4pNx92B3ane06Da7N70E VcdMmjH7MPTx0gArZD9GkZ3pw5dlnyZ3/EvzYa502eyyTbexgbsyq7AXGXZ4hDnwX2 Voh3eSIqR958TtNymCfPryco89gvF3TJsReV5yCY= Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit From: Siddhesh Poyarekar To: glibc-cvs@sourceware.org Subject: [glibc/release/2.37/master] Document CVE-2023-4806 and CVE-2023-5156 in NEWS X-Act-Checkin: glibc X-Git-Author: Siddhesh Poyarekar X-Git-Refname: refs/heads/release/2.37/master X-Git-Oldrev: 4473d1b87d04b25cdd0e0354814eeaa421328268 X-Git-Newrev: 94ef70136587c40a357f775677997c753b3de56c Message-Id: <20230926225334.63C0B385E03D@sourceware.org> Date: Tue, 26 Sep 2023 22:53:34 +0000 (GMT) List-Id: https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=94ef70136587c40a357f775677997c753b3de56c commit 94ef70136587c40a357f775677997c753b3de56c Author: Siddhesh Poyarekar Date: Tue Sep 26 07:38:07 2023 -0400 Document CVE-2023-4806 and CVE-2023-5156 in NEWS These are tracked in BZ #30884 and BZ #30843. Signed-off-by: Siddhesh Poyarekar (cherry picked from commit fd134feba35fa839018965733b34d28a09a075dd) Diff: --- NEWS | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/NEWS b/NEWS index d6cd902bd3..3725cc4820 100644 --- a/NEWS +++ b/NEWS @@ -22,6 +22,15 @@ Security related changes: 2048 bytes, getaddrinfo may potentially disclose stack contents via the returned address data, or crash. + CVE-2023-4806: When an NSS plugin only implements the + _gethostbyname2_r and _getcanonname_r callbacks, getaddrinfo could use + memory that was freed during buffer resizing, potentially causing a + crash or read or write to arbitrary memory. + + CVE-2023-5156: The fix for CVE-2023-4806 introduced a memory leak when + an application calls getaddrinfo for AF_INET6 with AI_CANONNAME, + AI_ALL and AI_V4MAPPED flags set. + The following bugs are resolved with this release: [20975] Deferred cancellation triggers in __check_pf and looses lock leading to deadlock