** Changed in: linux (Ubuntu)
Importance: Undecided => High
** Changed in: linux (Ubuntu)
Status: New => In Progress
** Changed in: linux (Ubuntu)
Assignee: Skipper Bug Screeners (skipper-screen-team) => Joseph Salisbury
(jsalisbury)
** Also affects: linux (Ubuntu Cosmic)
Importance: Undecided
Status: New
** Also affects: linux (Ubuntu Disco)
Importance: High
Assignee: Joseph Salisbury (jsalisbury)
Status: In Progress
** Also affects: linux (Ubuntu Bionic)
Importance: Undecided
Status: New
** Changed in: linux (Ubuntu Cosmic)
Status: New => In Progress
** Changed in: linux (Ubuntu Bionic)
Status: New => In Progress
** Changed in: linux (Ubuntu Cosmic)
Importance: Undecided => High
** Changed in: linux (Ubuntu Bionic)
Importance: Undecided => High
** Changed in: linux (Ubuntu Cosmic)
Assignee: (unassigned) => Joseph Salisbury (jsalisbury)
** Changed in: linux (Ubuntu Bionic)
Assignee: (unassigned) => Joseph Salisbury (jsalisbury)
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https://bugs.launchpad.net/bugs/1805802
Title:
[UBUNTU] qeth: fix length check in SNMP processing
Status in Ubuntu on IBM z Systems:
Triaged
Status in linux package in Ubuntu:
In Progress
Status in linux source package in Bionic:
In Progress
Status in linux source package in Cosmic:
In Progress
Status in linux source package in Disco:
In Progress
Bug description:
Description: qeth: fix length check in SNMP processing
Symptom: Undefined behaviour.
Problem: The response for a SNMP request can consist of multiple parts,
which the cmd callback stages into a kernel buffer until all
parts have been received. If the callback detects that the
staging buffer provides insufficient space, it bails out with
error.
This processing is buggy for the first part of the response -
while it initially checks for a length of 'data_len', it later
copies an additional amount of
'offsetof(struct qeth_snmp_cmd, data)' bytes.
Solution: Fix the calculation of 'data_len' for the first part of the
response.
Upstream-ID: 9a764c1e59684c0358e16ccaafd870629f2cfe67
Should be applied to all Ubuntu Releases in Service
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu-z-systems/+bug/1805802/+subscriptions
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