7.8

CVE-2021-47188: scsi: ufs: core: Improve SCSI abort handling

Modified
AliasesUBUNTU-CVE-2021-47188DEBIAN-CVE-2021-47188
Published 10-04-2024Last modified 05-08-2026

Vulnerability summary

CVE-2021-47188 is a high (CVSS 7.8) vulnerability in linux. EPSS estimates a 0.24% chance of exploitation in the next 30 days, higher than 15% of scored vulnerabilities.

Priority
Routine

Not severe (CVSS 7.8, local access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
7.8/10
010
High · v3.1 (CVE.org)
EPSS score
0.24%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 18 · Related 18
SUSE-SU-2024:1641-1SUSE-SU-2024:1643-1SUSE-SU-2024:1644-1SUSE-SU-2024:1646-1SUSE-SU-2024:1647-1SUSE-SU-2024:1659-1

Timeline

  1. 10-04-2024
    PublishedVulnerability first disclosed.
  2. 05-08-2026
    Last modifiedVulnerability information updated.

Description

In the Linux kernel, the following vulnerability has been resolved: scsi: ufs: core: Improve SCSI abort handling The following has been observed on a test setup: WARNING: CPU: 4 PID: 250 at drivers/scsi/ufs/ufshcd.c:2737 ufshcd_queuecommand+0x468/0x65c Call trace: ufshcd_queuecommand+0x468/0x65c scsi_send_eh_cmnd+0x224/0x6a0 scsi_eh_test_devices+0x248/0x418 scsi_eh_ready_devs+0xc34/0xe58 scsi_error_handler+0x204/0x80c kthread+0x150/0x1b4 ret_from_fork+0x10/0x30 That warning is triggered by the following statement: WARN_ON(lrbp->cmd); Fix this warning by clearing lrbp->cmd from the abort handler.

CVSS metrics

4 scores · 4 sources · 1 version

EPSS trend

Probability

0.24%

Chance of exploitation in the next 30 days

Percentile

15%

Versus all other CVEs

30-day change

No change 0.00 pp

From 0.24% on 04-10-2026

04-10-202603-11-2026

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

Version check

Known conditions: local access, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.

Ubuntu90 products
  • linuxAll versions (No fix recorded) | < 4.4.0-259.293 | < 4.15.0-229.241 | < 5.4.0-196.216
  • linux-allwinner-5.19All versions (No fix recorded)
  • linux-aws< 4.4.0-1136.142 | < 4.4.0-1174.189 | < 4.15.0-1173.186 | < 5.4.0-1133.143
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
Linux2 products
  • linux≥ 7a3e97b0dc4bbac2ba7803564ab0057722689921, < 9491bc16082d9a402c9099acbfffc89af6f9316f | ≥ 7a3e97b0dc4bbac2ba7803564ab0057722689921, < c36baca06efa833adaefba61f45fefdc49b6d070 | ≥ 7a3e97b0dc4bbac2ba7803564ab0057722689921, < 3ff1f6b6ba6f97f50862aa50e79959cc8ddc2566 | 3.4
  • linux_kernel≥ 3.4, < 5.15.5 | 5.16:rc1
Debian1 product
  • linux< 5.15.5-1

3 vendors · 93 products

References

14 links
Show all 14 references