SUSE-SU-2021:1266-1: kernel-rt_debug&distro=SUSE Linux Enterprise Real Time 12 SP5 SUSE Linux Enterprise

Published
Published 20-04-2021Last modified 04-02-2026

Vulnerability summary

SUSE-SU-2021:1266-1 is a vulnerability in kernel-rt_debug&distro=SUSE Linux Enterprise Real Time 12 SP5 SUSE Linux Enterprise with no CVSS score yet.

Overall risk
0/100
0100
Minimal · default modelHow is this calculated?
CVSS score
Not scored
010
No CVSS score recorded
EPSS scoreNot scoredRisk metrics not yet published.
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Advisory lineage

Upstream 9 · Downstream 0 · Related 9

Timeline

  1. 20-04-2021
    PublishedVulnerability first disclosed.
  2. 04-02-2026
    Last modifiedVulnerability information updated.

Description

Security update for the Linux Kernel The SUSE Linux Enterprise 12 SP5 kernel RT was updated to receive various security and bugfixes. The following security bugs were fixed: - CVE-2021-29154: Fixed incorrect computation of branch displacements, allowing arbitrary code execution (bsc#1184391). - CVE-2020-25670, CVE-2020-25671, CVE-2020-25672, CVE-2020-25673: Fixed multiple bugs in NFC subsytem (bsc#1178181). - CVE-2020-36311: Fixed a denial of service (soft lockup) by triggering destruction of a large SEV VM (bsc#1184511). - CVE-2021-3483: Fixed a use-after-free in nosy.c (bsc#1184393). - CVE-2021-30002: Fixed a memory leak for large arguments in video_usercopy (bsc#1184120). - CVE-2021-20219: Fixed a denial of service in n_tty_receive_char_special (bsc#1184397). The following non-security bugs were fixed: - cifs: change noisy error message to FYI (bsc#1181507). - cifs_debug: use %pd instead of messing with ->d_name (bsc#1181507). - cifs: do not send close in compound create+close requests (bsc#1181507). - cifs: New optype for session operations (bsc#1181507). - cifs: print MIDs in decimal notation (bsc#1181507). - cifs: return proper error code in statfs(2) (bsc#1181507). - cifs: Tracepoints and logs for tracing credit changes (bsc#1181507). - fix setting irq affinity (bsc#1184583) - ibmvnic: Use 'skb_frag_address()' instead of hand coding it (bsc#1184114 ltc#192237). - locking/mutex: Fix non debug version of mutex_lock_io_nested() (git-fixes). - net: sched: disable TCQ_F_NOLOCK for pfifo_fast (bsc#1183405) - powerpc/64s: Fix instruction encoding for lis in ppc_function_entry() (bsc#1065729). - powerpc/pmem: Include pmem prototypes (bsc#1113295 git-fixes). - powerpc/pseries/mobility: handle premature return from H_JOIN (bsc#1181674 ltc#189159 git-fixes bsc#1183662 ltc#191922). - powerpc/pseries/mobility: use struct for shared state (bsc#1181674 ltc#189159 git-fixes bsc#1183662 ltc#191922). - powerpc/pseries/ras: Remove unused variable 'status' (bsc#1065729). - s390/pci: Fix s390_mmio_read/write with MIO (LTC#192079 bsc#1183755). - smb3: add dynamic trace point to trace when credits obtained (bsc#1181507). - smb3: fix crediting for compounding when only one request in flight (bsc#1181507). - usbip: fix stub_dev to check for stream socket (git-fixes). - usbip: fix vhci_hcd to check for stream socket (git-fixes). - virsh: list is showing less guests then 'xl list' (bsc#1184513). - vsprintf: Do not have bprintf dereference pointers (bsc#1184494). - vsprintf: Do not preprocess non-dereferenced pointers for bprintf (%px and %pK) (bsc#1184494). - vsprintf: Fix off-by-one bug in bstr_printf() processing dereferenced pointers (bsc#1184494).

CVSS metrics

Risk metrics not yet published.

EPSS trend

No EPSS score has been published for this record yet.

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

No weakness data has been published for this record.

Affected systems

Suse4 products
  • kernel-rt_debug&distro=SUSE Linux Enterprise Real Time 12 SP5< 4.12.14-10.40.1
  • kernel-rt&distro=SUSE Linux Enterprise Real Time 12 SP5< 4.12.14-10.40.1
  • kernel-source-rt&distro=SUSE Linux Enterprise Real Time 12 SP5< 4.12.14-10.40.1
  • kernel-syms-rt&distro=SUSE Linux Enterprise Real Time 12 SP5< 4.12.14-10.40.1

1 vendor · 4 products

References

27 links
Show all 27 references