src/patches/glibc-2.38/0025-Document-CVE-2023-4806-and-CVE-2023-5156-in-NEWS.patch

   1 From f6445dc94da185b3d1ee283f0ca0a34c4e1986cc Mon Sep 17 00:00:00 2001
   2 From: Siddhesh Poyarekar <siddhesh@sourceware.org>
   3 Date: Tue, 26 Sep 2023 07:38:07 -0400
   4 Subject: [PATCH 25/44] Document CVE-2023-4806 and CVE-2023-5156 in NEWS
   5
   6 These are tracked in BZ #30884 and BZ #30843.
   7
   8 Signed-off-by: Siddhesh Poyarekar <siddhesh@sourceware.org>
   9 (cherry picked from commit fd134feba35fa839018965733b34d28a09a075dd)
  10 ---
  11  NEWS | 9 +++++++++
  12  1 file changed, 9 insertions(+)
  13
  14 diff --git a/NEWS b/NEWS
  15 index dfee278a9c..f1b1b0a3b4 100644
  16 --- a/NEWS
  17 +++ b/NEWS
  18 @@ -15,6 +15,15 @@ Security related changes:
  19    2048 bytes, getaddrinfo may potentially disclose stack contents via
  20    the returned address data, or crash.
  21
  22 +  CVE-2023-4806: When an NSS plugin only implements the
  23 +  _gethostbyname2_r and _getcanonname_r callbacks, getaddrinfo could use
  24 +  memory that was freed during buffer resizing, potentially causing a
  25 +  crash or read or write to arbitrary memory.
  26 +
  27 +  CVE-2023-5156: The fix for CVE-2023-4806 introduced a memory leak when
  28 +  an application calls getaddrinfo for AF_INET6 with AI_CANONNAME,
  29 +  AI_ALL and AI_V4MAPPED flags set.
  30 +
  31  The following bugs are resolved with this release:
  32
  33    [30723] posix_memalign repeatedly scans long bin lists
  34 --
  35 2.39.2
  36