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CVE-2026-98834

Unknown

Last modified

CVE-2026-98834 is a vulnerability of currently unknown severity. In the Linux kernel, the following vulnerability has been resolved: mtd: core: avoid double-free of OTP NVMEM device If factory OTP setup fails after the user OTP NVMEM device has been registered, mtd_otp_nvmem_add() unregisters the user device but leaves mtd->otp_user_nvmem set. On an error, the caller unregisters it again. For -EOPNOTSUPP, registration continues and normal teardown unregisters it again. Clear mtd->otp_user_nvmem after unregistering it..

Description

In the Linux kernel, the following vulnerability has been resolved: mtd: core: avoid double-free of OTP NVMEM device If factory OTP setup fails after the user OTP NVMEM device has been registered, mtd_otp_nvmem_add() unregisters the user device but leaves mtd->otp_user_nvmem set. On an error, the caller unregisters it again. For -EOPNOTSUPP, registration continues and normal teardown unregisters it again. Clear mtd->otp_user_nvmem after unregistering it.

Affected Software

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

VendorProductVersions
LinuxLinux>= e0489f6e221f5ddee6cb3bd51b992b790c5fa4b9, < cecf007418b93a2cbc94269e07fe2fb28f54d8fb; >= e0489f6e221f5ddee6cb3bd51b992b790c5fa4b9, < 26300879cd8e4612dce66bb8f6ff7cd35fcf3e59; 6d1af517817a760d7af3dee0fc4603645485495c; f1b4affca1e13706ca2eb075bf6775421236d7d1; 949476b8601bde5459048eebdf457c9db20addd8; dd6c85f98ff33b009b819090268cbf679dc208b9; >= 5.15.111, < 5.16; >= 6.1.28, < 6.2; >= 6.2.15, < 6.3; >= 6.3.2, < 6.4
LinuxLinux6.4

References

Timeline

Published
Last Modified
Status
Received

Frequently Asked Questions

What is CVE-2026-98834?
In the Linux kernel, the following vulnerability has been resolved: mtd: core: avoid double-free of OTP NVMEM device If factory OTP setup fails after the user OTP NVMEM device has been registered, mtd_otp_nvmem_add() unregisters the user device but leaves mtd->otp_user_nvmem set. On an error, the caller unregisters it again. For -EOPNOTSUPP, registration continues and normal teardown unregisters it again. Clear mtd->otp_user_nvmem after unregistering it.
How severe is CVE-2026-98834?
Severity scoring for CVE-2026-98834 is pending analysis.
How do I fix CVE-2026-98834?
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