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

Quick assessment

Affected
Linux Linux
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Linux kernel是美国Linux基金会的开源操作系统Linux所使用的内核。 Linux kernel存在安全漏洞，该漏洞源于WARN_ON（lrbp->cmd）存在安全漏洞。

CVSS 7.8 · High EPSS 0.24% · P14

Possible ATT&CK Techniques 1 AI

T1059 · Command and Scripting Interpreter

Affected Version Matrix 8

VendorProduct Version RangeStatus
Linux Linux 7a3e97b0dc4bbac2ba7803564ab0057722689921< 9491bc16082d9a402c9099acbfffc89af6f9316f affected
7a3e97b0dc4bbac2ba7803564ab0057722689921< c36baca06efa833adaefba61f45fefdc49b6d070 affected
7a3e97b0dc4bbac2ba7803564ab0057722689921< 3ff1f6b6ba6f97f50862aa50e79959cc8ddc2566 affected
3.4 affected
< 3.4 unaffected
5.10.258≤ 5.10.* unaffected
5.15.5≤ 5.15.* unaffected
5.16≤ * unaffected
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I. Basic Information for CVE-2021-47188

Vulnerability Information
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Vulnerability Title
scsi: ufs: core: Improve SCSI abort handling
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Linux kernel 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Linux kernel是美国Linux基金会的开源操作系统Linux所使用的内核。 Linux kernel存在安全漏洞，该漏洞源于WARN_ON（lrbp->cmd）存在安全漏洞。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Linux Linux 7a3e97b0dc4bbac2ba7803564ab0057722689921 ~ 9491bc16082d9a402c9099acbfffc89af6f9316f -
Linux Linux 3.4 -

II. Public POCs for CVE-2021-47188

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III. Intelligence Information for CVE-2021-47188

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Patches & Fixes for CVE-2021-47188 (1)

Other References for CVE-2021-47188 (2)

Same Patch Batch · Linux · 2024-04-10 · 39 CVEs total

CVE-2021-47215 9.8 CRITICAL net/mlx5e: kTLS, Fix crash in RX resync flow
CVE-2021-47203 8.8 HIGH scsi: lpfc: Fix list_add() corruption in lpfc_drain_txq()
CVE-2021-47183 8.8 HIGH scsi: lpfc: Fix link down processing to address NULL pointer dereference
CVE-2021-47184 8.8 HIGH i40e: Fix NULL ptr dereference on VSI filter sync
CVE-2021-47189 7.8 HIGH btrfs: fix memory ordering between normal and ordered work functions
CVE-2021-47197 7.8 HIGH net/mlx5e: nullify cq->dbg pointer in mlx5_debug_cq_remove()
CVE-2021-47196 7.8 HIGH RDMA/core: Set send and receive CQ before forwarding to the driver
CVE-2021-47209 7.8 HIGH sched/fair: Prevent dead task groups from regaining cfs_rq's
CVE-2021-47194 7.8 HIGH cfg80211: call cfg80211_stop_ap when switch from P2P_GO type
CVE-2024-26815 7.8 HIGH net/sched: taprio: proper TCA_TAPRIO_TC_ENTRY_INDEX check
CVE-2021-47200 7.8 HIGH drm/prime: Fix use after free in mmap with drm_gem_ttm_mmap
CVE-2021-47201 7.8 HIGH iavf: free q_vectors before queues in iavf_disable_vf
CVE-2021-47191 7.1 HIGH scsi: scsi_debug: Fix out-of-bound read in resp_readcap16()
CVE-2021-47219 7.1 HIGH scsi: scsi_debug: Fix out-of-bound read in resp_report_tgtpgs()
CVE-2021-47205 clk: sunxi-ng: Unregister clocks/resets when unbinding
CVE-2021-47207 ALSA: gus: fix null pointer dereference on pointer block
CVE-2021-47206 usb: host: ohci-tmio: check return value after calling platform_get_resource()
CVE-2021-47199 net/mlx5e: CT, Fix multiple allocations and memleak of mod acts
CVE-2021-47210 usb: typec: tipd: Remove WARN_ON in tps6598x_block_read
CVE-2021-47211 ALSA: usb-audio: fix null pointer dereference on pointer cs_desc

Showing top 20 of 39 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2021-47188

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