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CVE-2026-53045: memory: tegra124-emc: Fix dll_change check

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-06-24 · updated 2026-07-21

Description

In the Linux kernel, the following vulnerability has been resolved: memory: tegra124-emc: Fix dll_change check The code checking whether the specified memory timing enables DLL in the EMRS register was reversed. DLL is enabled if bit A0 is low. Fix the check.

Affected products

• Linux kernel: from 4.2 before 5.10.258; from 5.11 before 5.15.209; from 5.16 before 6.1.175; from 6.2 before 6.6.141; from 6.7 before 6.12.91; from 6.13 before 6.18.33 — fixed in 5.10.258, 5.15.209, 6.1.175, 6.12.91, 6.18.33, 6.6.141

How to fix

Upgrade to a fixed version: Linux kernel 5.10.258, 5.15.209, 6.1.175, 6.12.91. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/05f138fc7e27ee8e7a83ccf966c3fa26cda44dda
• https://git.kernel.org/stable/c/1793249c067a4b28e1aba0ad0e4d73aa9f9e165a
• https://git.kernel.org/stable/c/1ebbbef47d11cc90219c081492ccf995aaa3e9b3
• https://git.kernel.org/stable/c/2369b1831161356e1bcb51385d3e532dc4fe2771
• https://git.kernel.org/stable/c/7e19e72f306484996c52ff96cc92f69b78ed5435
• https://git.kernel.org/stable/c/9597ab9a8296ab337e6820f8a717ff621078b632
• https://git.kernel.org/stable/c/a85967331144fde9300be38bb44d2558eb6b742e
• https://git.kernel.org/stable/c/db0ae80865b515cc0b705c85877ec00f7eebe9fe

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