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Advisory severityMedium5.5Vendor: LowRed Hat Linux

Medium [CVE-2026-53310] Fix cross-fabric target timeout lookup

This medium-severity Red Hat Linux advisory covers CVE-2026-53310 affecting Red Hat Enterprise Linux 10, Red Hat package: kernel.

Aggregated and source-linked by VulniPulse. Data sources, validation and limitations.

CVE-2026-53310 Source published Source updated

VulniPulse record published Record updated

CVE-2026-53310
Affected products & platforms
Red Hat LinuxLinux Kernel
Open source advisory

Summary

In the Linux kernel, the following vulnerability has been resolved: soc/tegra: cbb: Fix cross-fabric target timeout lookup When a fabric receives an error interrupt, the error may have occurred on a different fabric.

The target timeout lookup was using the wrong base address (cbb->regs) with offsets from a different fabric's target map, causing a kernel page fault.

Unable to handle kernel paging request at virtual address ffff80000954cc00 pc: tegra234_cbb_get_tmo_slv+0xc/0x28 Call trace: tegra234_cbb_get_tmo_slv+0xc/0x28 print_err_notifier+0x6c0/0x7d0 tegra234_cbb_isr+0xe4/0x1b4 Add tegra234_cbb_get_fabric() to look up the correct fabric device using fab_id, and use its base address for accessing target timeout registers.

This vulnerability occurs in the `soc/tegra: cbb` component when a fabric receives an error interrupt, causing the system to use an incorrect memory address during a target timeout lookup. This can lead to a kernel page fault, potentially resulting in a denial of service (DoS) for the affected system.

Red Hat severity: Low — CVSS 5.5 (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H). Weakness: CWE-823.

Affected Red Hat products: Red Hat Enterprise Linux 10. Red Hat does not currently list a fixing RHSA for this CVE.

Affected products named by the advisory: Red Hat package: kernel.

Is CVE-2026-53310 exploited?

No exploitation is reported in the sources VulniPulse tracks: CVE-2026-53310 is not in the CISA KEV catalog (checked ) and this advisory does not report exploitation. That is not proof the vulnerability cannot be exploited.

How do I fix CVE-2026-53310?

The advisory VulniPulse tracks names no fixed release. Follow Red Hat's guidance for workarounds and updates.

Confirm against the vendor advisory before you patch.

Affected versions

No affected-version range was extracted from the source record. The vendor advisory is authoritative. Check it before change work.

Official advisory · medium-confidence parse· fetched 16 days ago·verify at source

Fixed versions

No fixed release is recorded yet. That does not prove no patch exists. Confirm against the vendor advisory.

Official advisory · medium-confidence parse· fetched 16 days ago·verify at source

Mitigation

The source record does not include mitigation steps. That does not mean no fix exists. Read the vendor advisory below for the authoritative guidance.

Official advisory · medium-confidence parse· fetched 16 days ago·verify at source

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