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CVE-2021-47257— net: ieee802154: fix null deref in parse dev addr

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，该漏洞源于如果用户为给定的地址类型设置了错误的模式，则可能导致 null deref。

AI Predicted 5.5 Difficulty: Easy EPSS 0.23% · P12

Possible ATT&CK Techniques 1 AI

T1068 · Exploitation for Privilege Escalation

Affected Version Matrix 16

VendorProduct Version RangeStatus
Linux Linux a26c5fd7622d4951425131d54a8c99f076fe2068< 1f95741981c899c4724647291fec5faa3c777185 affected
a26c5fd7622d4951425131d54a8c99f076fe2068< c6998ccfefa652bac3f9b236821e392af43efa1e affected
a26c5fd7622d4951425131d54a8c99f076fe2068< 5f728ec65485625e30f46e5b4917ff023ad29ea0 affected
a26c5fd7622d4951425131d54a8c99f076fe2068< d0f47648b87b6d5f204cb7f3cbce6d36dab85a67 affected
a26c5fd7622d4951425131d54a8c99f076fe2068< c7836de2cadd88bc2f20f2c5a3d4ef4c73aef627 affected
a26c5fd7622d4951425131d54a8c99f076fe2068< fdd51e34f45311ab6e48d2147cbc2904731b9993 affected
a26c5fd7622d4951425131d54a8c99f076fe2068< 9fdd04918a452980631ecc499317881c1d120b70 affected
4.4 affected
… +8 more rows
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I. Basic Information for CVE-2021-47257

Vulnerability Information
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Vulnerability Title
net: ieee802154: fix null deref in parse dev addr
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: net: ieee802154: fix null deref in parse dev addr Fix a logic error that could result in a null deref if the user sets the mode incorrectly for the given addr type.
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，该漏洞源于如果用户为给定的地址类型设置了错误的模式，则可能导致 null deref。
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 a26c5fd7622d4951425131d54a8c99f076fe2068 ~ 1f95741981c899c4724647291fec5faa3c777185 -
Linux Linux 4.4 -

II. Public POCs for CVE-2021-47257

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III. Intelligence Information for CVE-2021-47257

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Patches & Fixes for CVE-2021-47257 (1)

Other References for CVE-2021-47257 (6)

Same Patch Batch · Linux · 2024-05-21 · 361 CVEs total

CVE-2023-52741 9.8 CRITICAL cifs: Fix use-after-free in rdata->read_into_pages()
CVE-2021-47378 9.8 CRITICAL nvme-rdma: destroy cm id before destroy qp to avoid use after free
CVE-2023-52755 9.8 CRITICAL ksmbd: fix slab out of bounds write in smb_inherit_dacl()
CVE-2021-47427 9.8 CRITICAL scsi: iscsi: Fix iscsi_task use after free
CVE-2023-52732 9.8 CRITICAL ceph: blocklist the kclient when receiving corrupted snap trace
CVE-2021-47328 9.8 CRITICAL scsi: iscsi: Fix conn use after free during resets
CVE-2021-47232 9.8 CRITICAL can: j1939: fix Use-after-Free, hold skb ref while in use
CVE-2023-52846 8.8 HIGH hsr: Prevent use after free in prp_create_tagged_frame()
CVE-2023-52769 8.8 HIGH wifi: ath12k: fix htt mlo-offset event locking
CVE-2023-52790 8.8 HIGH swiotlb: fix out-of-bounds TLB allocations with CONFIG_SWIOTLB_DYNAMIC
CVE-2021-47308 8.8 HIGH scsi: libfc: Fix array index out of bound exception
CVE-2021-47390 8.8 HIGH KVM: x86: Fix stack-out-of-bounds memory access from ioapic_write_indirect()
CVE-2023-52801 8.8 HIGH iommufd: Fix missing update of domains_itree after splitting iopt_area
CVE-2023-52776 8.8 HIGH wifi: ath12k: fix dfs-radar and temperature event locking
CVE-2023-52798 8.8 HIGH wifi: ath11k: fix dfs radar event locking
CVE-2021-47388 8.8 HIGH mac80211: fix use-after-free in CCMP/GCMP RX
CVE-2023-52829 8.4 HIGH wifi: ath12k: fix possible out-of-bound write in ath12k_wmi_ext_hal_reg_caps()
CVE-2021-47240 8.4 HIGH net: qrtr: fix OOB Read in qrtr_endpoint_post
CVE-2021-47352 8.4 HIGH virtio-net: Add validation for used length
CVE-2021-47244 8.2 HIGH mptcp: Fix out of bounds when parsing TCP options

Showing top 20 of 361 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2021-47257

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