Answer in brief
CVE-2022-50272 records a Medium severity (CVSS 5.5) vulnerability in media: dvb-usb: az6027: fix null-ptr-deref in az6027_i2c_xfer(). The current sources do not mark it as known exploited. The current feed maps Linux/Linux (generic), Linux/Linux (generic). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
CVSS is 5.5. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps Linux/Linux (generic), Linux/Linux (generic). Check affected ranges and fixed versions before updating.
| Product | Affected versions | Fixed versions |
|---|---|---|
| cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | Not reported | Not reported |
| Package | Affected range | Fixed version |
|---|---|---|
| Linux/Linuxgeneric | 2.6.34 | Not reported |
| Linux/Linuxgeneric | >=76f9a820c8672ada12ffa0903652c9e6f2429462 <2b6a8a1a32746981044e7ab06649c804acb4068a || >=76f9a820c8672ada12ffa0903652c9e6f2429462 <c712d1ccbfb787620422b437a5b8fac0802547bd || >=76f9a820c8672ada12ffa0903652c9e6f2429462 <7abfe467cd685f5da7ecb415441e45e3e4e2baa8 || >=76f9a820c8672ada12ffa0903652c9e6f2429462 <8b256d23361c51aa4b7fdb71176c1ca50966fb39 || >=76f9a820c8672ada12ffa0903652c9e6f2429462 <559891d430e3f3a178040c4371ed419edbfa7d65 || >=76f9a820c8672ada12ffa0903652c9e6f2429462 <210fcf64be4db82c0e190e74b5111e4eef661a7a || >=76f9a820c8672ada12ffa0903652c9e6f2429462 <6fbc44731a4665cbe92a5090e9804a388a72214b || >=76f9a820c8672ada12ffa0903652c9e6f2429462 <6b60cf73a931af34b7a0a3f467a79d9fe0df2d70 || >=76f9a820c8672ada12ffa0903652c9e6f2429462 <0ed554fd769a19ea8464bb83e9ac201002ef74ad | 2b6a8a1a32746981044e7ab06649c804acb4068a, c712d1ccbfb787620422b437a5b8fac0802547bd, 7abfe467cd685f5da7ecb415441e45e3e4e2baa8, 8b256d23361c51aa4b7fdb71176c1ca50966fb39, 559891d430e3f3a178040c4371ed419edbfa7d65, 210fcf64be4db82c0e190e74b5111e4eef661a7a, 6fbc44731a4665cbe92a5090e9804a388a72214b, 6b60cf73a931af34b7a0a3f467a79d9fe0df2d70, 0ed554fd769a19ea8464bb83e9ac201002ef74ad |
Published upstream
Sep 15, 2025
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Nov 5, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Nov 5, 2026
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().
Quoted source text, attributed separately from HOL analysis.