CVE-2022-50272
Vulnerability Scoring
Analysis In Progress
CVE-2022-50272 Vulnerability Analysis & Exploit Details
CVE-2022-50272
Attack Complexity Details
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Attack Complexity:
Attack Complexity Analysis In Progress
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Attack Vector:
Attack Vector Under Analysis
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Privileges Required:
None
No authentication is required for exploitation.
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Scope:
Impact is confined to the initially vulnerable component.
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User Interaction:
None
No user interaction is necessary for exploitation.
CVE-2022-50272 Details
Status: Awaiting Analysis
Published on: 15 Sep 2025, 15:15 UTC
CVSS Release:
CVE-2022-50272 Vulnerability Summary
CVE-2022-50272: In the Linux kernel, the following vulnerability has been resolved: media: dvb-usb: az6027: fix null-ptr-deref in az6027_i2c_xfer() Wei Chen reports a kernel bug as blew: general protection fault, probably for non-canonical address KASAN: null-ptr-deref in range [0x0000000000000010-0x0000000000000017] ... Call Trace: <TASK> __i2c_transfer+0x77e/0x1930 drivers/i2c/i2c-core-base.c:2109 i2c_transfer+0x1d5/0x3d0 drivers/i2c/i2c-core-base.c:2170 i2cdev_ioctl_rdwr+0x393/0x660 drivers/i2c/i2c-dev.c:297 i2cdev_ioctl+0x75d/0x9f0 drivers/i2c/i2c-dev.c:458 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:870 [inline] __se_sys_ioctl+0xfb/0x170 fs/ioctl.c:856 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3d/0x90 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fd834a8bded In az6027_i2c_xfer(), if msg[i].addr is 0x99, a null-ptr-deref will caused when accessing msg[i].buf. For msg[i].len is 0 and msg[i].buf is null. Fix this by checking msg[i].len in az6027_i2c_xfer().
Assessing the Risk of CVE-2022-50272
Access Complexity Graph
The exploitability of CVE-2022-50272 depends on two key factors: attack complexity (the level of effort required to execute an exploit) and privileges required (the access level an attacker needs).
Exploitability Analysis for CVE-2022-50272
No exploitability data is available for CVE-2022-50272.
Understanding AC and PR
A lower complexity and fewer privilege requirements make exploitation easier. Security teams should evaluate these aspects to determine the urgency of mitigation strategies, such as patch management and access control policies.
Attack Complexity (AC) measures the difficulty in executing an exploit. A high AC means that specific conditions must be met, making an attack more challenging, while a low AC means the vulnerability can be exploited with minimal effort.
Privileges Required (PR) determine the level of system access necessary for an attack. Vulnerabilities requiring no privileges are more accessible to attackers, whereas high privilege requirements limit exploitation to authorized users with elevated access.
CVSS Score Breakdown Chart
Above is the CVSS Sub-score Breakdown for CVE-2022-50272, illustrating how Base, Impact, and Exploitability factors combine to form the overall severity rating. A higher sub-score typically indicates a more severe or easier-to-exploit vulnerability.
CIA Impact Analysis
Below is the Impact Analysis for CVE-2022-50272, showing how Confidentiality, Integrity, and Availability might be affected if the vulnerability is exploited. Higher values usually signal greater potential damage.
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Confidentiality:
None
CVE-2022-50272 does not compromise confidentiality.
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Integrity:
None
CVE-2022-50272 does not impact data integrity.
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Availability:
None
CVE-2022-50272 does not affect system availability.
CVE-2022-50272 References
External References
- https://git.kernel.org/stable/c/0ed554fd769a19ea8464bb83e9ac201002ef74ad
- https://git.kernel.org/stable/c/210fcf64be4db82c0e190e74b5111e4eef661a7a
- https://git.kernel.org/stable/c/2b6a8a1a32746981044e7ab06649c804acb4068a
- https://git.kernel.org/stable/c/559891d430e3f3a178040c4371ed419edbfa7d65
- https://git.kernel.org/stable/c/6b60cf73a931af34b7a0a3f467a79d9fe0df2d70
- https://git.kernel.org/stable/c/6fbc44731a4665cbe92a5090e9804a388a72214b
- https://git.kernel.org/stable/c/7abfe467cd685f5da7ecb415441e45e3e4e2baa8
- https://git.kernel.org/stable/c/8b256d23361c51aa4b7fdb71176c1ca50966fb39
- https://git.kernel.org/stable/c/c712d1ccbfb787620422b437a5b8fac0802547bd
CWE Common Weakness Enumeration
Unknown
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