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CVE-2026-72481

UnknownEPSS 0.21%

Last modified

CVE-2026-72481 is a vulnerability of currently unknown severity. In the Linux kernel, the following vulnerability has been resolved: iio: magnetometer: ak8975: fix potential kernel stack memory leak Currently in the AK8975 driver there are four instances where potential uninitialized kernel stack memory leaks can occur. If i2c_smbus_read_i2c_block_data_or_emulated() returns a value less than the size of the buffer, uninitialized bytes are retained in the buffer and later the buffer is passed on to IIO buffers, potentially leaking memory to userspace. Fix this by adding checks whether the return value of the function is equal to the size of the buffer and subsequently if the value is lesser than zero to distinguish from a returned error code.. EPSS estimates a 0.21% chance of exploitation in the next 30 days.

Description

In the Linux kernel, the following vulnerability has been resolved: iio: magnetometer: ak8975: fix potential kernel stack memory leak Currently in the AK8975 driver there are four instances where potential uninitialized kernel stack memory leaks can occur. If i2c_smbus_read_i2c_block_data_or_emulated() returns a value less than the size of the buffer, uninitialized bytes are retained in the buffer and later the buffer is passed on to IIO buffers, potentially leaking memory to userspace. Fix this by adding checks whether the return value of the function is equal to the size of the buffer and subsequently if the value is lesser than zero to distinguish from a returned error code.

Metrics

EPSS Probability
0.21%

11.6th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Source: CNA advisory (CVE.org). NVD analysis pending.

VendorProductVersions
LinuxLinux>= bc11ca4a0b84a2f2ebaca2614b92998738d13b1e, < 12848f4ded022963944c063e09a192549a4dad1e; >= bc11ca4a0b84a2f2ebaca2614b92998738d13b1e, < a9cf46054f81972f8c0f1dc2a79d2a141999dbce; >= bc11ca4a0b84a2f2ebaca2614b92998738d13b1e, < 9f920550abacedc7fc3163dea65ac2a7d0b0765d; >= bc11ca4a0b84a2f2ebaca2614b92998738d13b1e, < 8cf346074533356d67a6a6a43a192328ad341f11; >= bc11ca4a0b84a2f2ebaca2614b92998738d13b1e, < b974566803bceb72f0b9b5f1d7270b79ba963766; >= bc11ca4a0b84a2f2ebaca2614b92998738d13b1e, < 3d57672119525c59ed73ea21accb001ccbcd6cfd; >= bc11ca4a0b84a2f2ebaca2614b92998738d13b1e, < fb27ebf81136e796c7b719303ef6fd7e1ae5d488; >= bc11ca4a0b84a2f2ebaca2614b92998738d13b1e, < a9a00d727b7bbc5e913a919530a9dd468935bf95
LinuxLinux4.7

References

Timeline

Published
Last Modified
Status
Received

Frequently Asked Questions

What is CVE-2026-72481?
In the Linux kernel, the following vulnerability has been resolved: iio: magnetometer: ak8975: fix potential kernel stack memory leak Currently in the AK8975 driver there are four instances where potential uninitialized kernel stack memory leaks can occur. If i2c_smbus_read_i2c_block_data_or_emulated() returns a value less than the size of the buffer, uninitialized bytes are retained in the buffer and later the buffer is passed on to IIO buffers, potentially leaking memory to userspace. Fix this by adding checks whether the return value of the function is equal to the size of the buffer and subsequently if the value is lesser than zero to distinguish from a returned error code.
How severe is CVE-2026-72481?
Severity scoring for CVE-2026-72481 is pending analysis. The EPSS model estimates a 0.21% probability of exploitation in the next 30 days.
How do I fix CVE-2026-72481?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

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Source: NVD / NIST