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Upstream commits to backport:
commit c3f6be3f2dcedf6d79751c0b975315ebc3184364
Author: Phil Sutter <phil>
Date: Mon Jan 20 13:52:10 2020 +0100
netlink: Fix leak in unterminated string deserializer
Allocated 'mask' expression is not freed before returning to caller,
although it is used temporarily only.
Fixes: b851ba4731d9f ("src: add interface wildcard matching")
Signed-off-by: Phil Sutter <phil>
Acked-by: Pablo Neira Ayuso <pablo>
commit e957bd9f10d5e36671a0b0398e2037fc6201275b
Author: Phil Sutter <phil>
Date: Mon Jan 20 14:48:26 2020 +0100
netlink: Fix leaks in netlink_parse_cmp()
This fixes several problems at once:
* Err path would leak expr 'right' in two places and 'left' in one.
* Concat case would leak 'right' by overwriting the pointer. Introduce a
temporary variable to hold the new pointer.
Fixes: 6377380bc265f ("netlink_delinearize: handle relational and lookup concat expressions")
Signed-off-by: Phil Sutter <phil>
Acked-by: Pablo Neira Ayuso <pablo>
commit c9ddf0bff363fc9101b563b592db600bdf4d65c5
Author: Phil Sutter <phil>
Date: Mon Jan 20 16:32:40 2020 +0100
netlink: Avoid potential NULL-pointer deref in netlink_gen_payload_stmt()
With payload_needs_l4csum_update_pseudohdr() unconditionally
dereferencing passed 'desc' parameter and a previous check for it to be
non-NULL, make sure to call the function only if input is sane.
Fixes: 68de70f2b3fc6 ("netlink_linearize: fix IPv6 layer 4 checksum mangling")
Signed-off-by: Phil Sutter <phil>
Acked-by: Pablo Neira Ayuso <pablo>
Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.
For information on the advisory, and where to find the updated
files, follow the link below.
If the solution does not work for you, open a new bug report.
https://access.redhat.com/errata/RHEA-2020:1774
Created attachment 1653959 [details] added.err Fix valid issues reported in attached covscan run.