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CVE-2021-47216— scsi: advansys: Fix kernel pointer leak

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，该漏洞源于存在内核指针泄漏问题。

AI Predicted 3.3 Difficulty: Moderate EPSS 0.23% · P12

Possible ATT&CK Techniques 1 AI

T1005 · Data from Local System

Affected Version Matrix 18

VendorProduct Version RangeStatus
Linux Linux 31491e1ac425edc6b80a670a71ac8d2dfdd78417< 06d7d12efb5c62db9dea15141ae2b322c2719515 affected
31491e1ac425edc6b80a670a71ac8d2dfdd78417< ad19f7046c24f95c674fbea21870479b2b9f5bab affected
31491e1ac425edc6b80a670a71ac8d2dfdd78417< 5612287991debe310c914600599bd59511ababfb affected
31491e1ac425edc6b80a670a71ac8d2dfdd78417< f5a0ba4a9b5e70e7b2f767636d26523f9d1ac59d affected
31491e1ac425edc6b80a670a71ac8d2dfdd78417< cc248790bfdcf879e3094fa248c85bf92cdf9dae affected
31491e1ac425edc6b80a670a71ac8d2dfdd78417< 055eced3edf5b675d12189081303f6285ef26511 affected
31491e1ac425edc6b80a670a71ac8d2dfdd78417< 27490ae6a85a70242d80615ca74d0362a820d6a7 affected
31491e1ac425edc6b80a670a71ac8d2dfdd78417< d4996c6eac4c81b8872043e9391563f67f13e406 affected
… +10 more rows
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I. Basic Information for CVE-2021-47216

Vulnerability Information
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Vulnerability Title
scsi: advansys: Fix kernel pointer leak
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: scsi: advansys: Fix kernel pointer leak Pointers should be printed with %p or %px rather than cast to 'unsigned long' and printed with %lx. Change %lx to %p to print the hashed pointer.
Source: CVE Program / CVE List V5
CVSS Information
N/A
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，该漏洞源于存在内核指针泄漏问题。
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 31491e1ac425edc6b80a670a71ac8d2dfdd78417 ~ 06d7d12efb5c62db9dea15141ae2b322c2719515 -
Linux Linux 3.10 -

II. Public POCs for CVE-2021-47216

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III. Intelligence Information for CVE-2021-47216

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Other References for CVE-2021-47216 (8)

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-2021-47201 7.8 HIGH iavf: free q_vectors before queues in iavf_disable_vf
CVE-2021-47200 7.8 HIGH drm/prime: Fix use after free in mmap with drm_gem_ttm_mmap
CVE-2024-26815 7.8 HIGH net/sched: taprio: proper TCA_TAPRIO_TC_ENTRY_INDEX check
CVE-2021-47197 7.8 HIGH net/mlx5e: nullify cq->dbg pointer in mlx5_debug_cq_remove()
CVE-2021-47188 7.8 HIGH scsi: ufs: core: Improve SCSI abort handling
CVE-2021-47189 7.8 HIGH btrfs: fix memory ordering between normal and ordered work functions
CVE-2021-47196 7.8 HIGH RDMA/core: Set send and receive CQ before forwarding to the driver
CVE-2021-47194 7.8 HIGH cfg80211: call cfg80211_stop_ap when switch from P2P_GO type
CVE-2021-47209 7.8 HIGH sched/fair: Prevent dead task groups from regaining cfs_rq's
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-2021-47210 usb: typec: tipd: Remove WARN_ON in tps6598x_block_read
CVE-2021-47198 scsi: lpfc: Fix use-after-free in lpfc_unreg_rpi() routine
CVE-2021-47207 ALSA: gus: fix null pointer dereference on pointer block
CVE-2021-47211 ALSA: usb-audio: fix null pointer dereference on pointer cs_desc
CVE-2021-47212 net/mlx5: Update error handler for UCTX and UMEM

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-2021-47216

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