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Who When What Removed Added
Guilherme de Almeida Suckevicz 2020-12-07 16:26:05 UTC CC security-response-team
Guilherme de Almeida Suckevicz 2020-12-07 16:27:44 UTC Comment 0 updated
Guilherme de Almeida Suckevicz 2020-12-07 16:32:26 UTC Summary EMBARGOED kernel: use-after-free in the ftrace ring buffer resizing logic due to a race condition EMBARGOED CVE-2020-27825 kernel: use-after-free in the ftrace ring buffer resizing logic due to a race condition
Alias CVE-2020-27825
Guilherme de Almeida Suckevicz 2020-12-07 16:36:03 UTC Blocks 1899203
Rohit Keshri 2020-12-08 17:01:48 UTC CC rkeshri
Rohit Keshri 2020-12-10 13:11:22 UTC Depends On 1906410, 1906409
Rohit Keshri 2020-12-10 17:38:13 UTC Doc Text A use-after-free flaw was found in kernel/trace/ring_buffer.c in Linux kernel. There was a race problem in trace_open and resize of cpu buffer running parallely on different cpus, may cause a denial of service problem (DOS). This flaw could even allow a local attacker with special user privilege to a kernel information leak threat.
Rohit Keshri 2020-12-11 07:31:08 UTC Group security, qe_staff
CC adscvr, airlied, bskeggs, hdegoede, itamar, jarodwilson, jeremy, jforbes, jglisse, jonathan, josef, jwboyer, kernel-maint, kernel-mgr, linville, masami256, mchehab, rt-maint, steved
Summary EMBARGOED CVE-2020-27825 kernel: use-after-free in the ftrace ring buffer resizing logic due to a race condition CVE-2020-27825 kernel: use-after-free in the ftrace ring buffer resizing logic due to a race condition
Michael Kaplan 2020-12-11 13:27:20 UTC Fixed In Version kernel 5.10-rc1
Juri Lelli 2021-01-08 17:05:34 UTC Flags needinfo?(rkeshri)
Ziqian SUN (Zamir) 2021-01-11 02:55:56 UTC CC zsun
Flags needinfo?(rkeshri)
Rohit Keshri 2021-01-11 06:10:49 UTC Flags needinfo?(rkeshri) needinfo?(rkeshri)
Rohit Keshri 2021-01-11 06:13:41 UTC Depends On 1914746, 1914748, 1914747
Jerome Marchand 2021-01-11 09:44:02 UTC CC jmarchan
Red Hat Bugzilla 2021-05-30 12:02:50 UTC CC blc
Red Hat Bugzilla 2021-05-30 12:38:10 UTC CC bhu
Jeff Fearn 🐞 2021-06-03 11:12:45 UTC CC blc
Jeff Fearn 🐞 2021-06-03 11:58:13 UTC CC bhu
Red Hat Bugzilla 2021-09-15 05:47:16 UTC CC jglisse
Red Hat Bugzilla 2022-04-23 08:28:59 UTC CC esammons
Red Hat Bugzilla 2022-07-16 03:21:04 UTC CC brdeoliv
Red Hat Bugzilla 2022-12-31 23:36:38 UTC CC fhrbata
Red Hat Bugzilla 2023-04-01 08:42:29 UTC CC dhoward
Red Hat Bugzilla 2023-06-14 21:29:50 UTC CC mcressma
Red Hat Bugzilla 2023-07-07 08:33:27 UTC CC security-response-team
Assignee security-response-team nobody

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