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CVE-2026-53051

In the Linux kernel, the following vulnerability has been resolved: PCI: tegra194: Fix CBB timeout caused by DBI access before core power-on When PERST# is deasserted twice (assert -> deassert -> assert -> deassert), a CBB (Control Backbone) timeout occurs at DBI register offset 0x8bc (PCIE_MISC_CONTROL_1_OFF). This happens because pci_epc_deinit_notify() and dw_pcie_ep_cleanup() are called before reset_control_deassert() powers on the controller core. The call chain that causes the timeout:
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:76f40ad065b5e8ac75cf3ca8091346b75526b112786bf5f2aa09f4d14d3f91ed
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

affected · 2 assertions

{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/pci/controller/dwc/pcie-tegra194.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.13"},{"lessThan":"6.13","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.91","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.33","versionType":"semver"},{"lessThanOrEqual":"7.0.*","status":"unaffected","version":"7.0.10","versionType":"…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:e87851288a262bc2363ff67646fd57773cf9fcebe369ad1ae6ad9fd2da2f13f2 · sha256:dfb59b403b9e8736… · /containers/cna/affected/1

{"defaultStatus":"unaffected","product":"Linux","programFiles":["drivers/pci/controller/dwc/pcie-tegra194.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"010983063a806720b45778d191335f8ea864fea3","status":"affected","version":"72034050ccf4202cd6558b0afd2474f756ea3b9b","versionType":"git"},{"lessThan":"b059a41bdd5b202b2b9d7708403fb43c69689e53","status":"affected","version":"40e2125381dc11379112485e3eefdd25c6df5375","versionType":"git"},{"lessThan":"ce899f9c019591b73ef84b9afa332ed53beece25","status":"affected","version":"40e…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:e87851288a262bc2363ff67646fd57773cf9fcebe369ad1ae6ad9fd2da2f13f2 · sha256:dfb59b403b9e8736… · /containers/cna/affected/0

Affected products and versions

2 source assertions
{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/pci/controller/dwc/pcie-tegra194.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.13"},{"lessThan":"6.13","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.91","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.33","versionType":"semver"},{"lessThanOrEqual":"7.0.*","status":"unaffected","version":"7.0.10","versionType":"…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:e87851288a262bc2363ff67646fd57773cf9fcebe369ad1ae6ad9fd2da2f13f2 · sha256:dfb59b403b9e8736… · /containers/cna/affected/1
{"defaultStatus":"unaffected","product":"Linux","programFiles":["drivers/pci/controller/dwc/pcie-tegra194.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"010983063a806720b45778d191335f8ea864fea3","status":"affected","version":"72034050ccf4202cd6558b0afd2474f756ea3b9b","versionType":"git"},{"lessThan":"b059a41bdd5b202b2b9d7708403fb43c69689e53","status":"affected","version":"40e2125381dc11379112485e3eefdd25c6df5375","versionType":"git"},{"lessThan":"ce899f9c019591b73ef84b9afa332ed53beece25","status":"affected","version":"40e…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:e87851288a262bc2363ff67646fd57773cf9fcebe369ad1ae6ad9fd2da2f13f2 · sha256:dfb59b403b9e8736… · /containers/cna/affected/0

Source references

4 source assertions
{"url":"https://git.kernel.org/stable/c/010983063a806720b45778d191335f8ea864fea3"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:e87851288a262bc2363ff67646fd57773cf9fcebe369ad1ae6ad9fd2da2f13f2 · sha256:dfb59b403b9e8736… · /containers/cna/references/0
{"url":"https://git.kernel.org/stable/c/34b3eef48d980cd37b876e128bbf314f69fb5d70"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:e87851288a262bc2363ff67646fd57773cf9fcebe369ad1ae6ad9fd2da2f13f2 · sha256:dfb59b403b9e8736… · /containers/cna/references/3
{"url":"https://git.kernel.org/stable/c/b059a41bdd5b202b2b9d7708403fb43c69689e53"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:e87851288a262bc2363ff67646fd57773cf9fcebe369ad1ae6ad9fd2da2f13f2 · sha256:dfb59b403b9e8736… · /containers/cna/references/1
{"url":"https://git.kernel.org/stable/c/ce899f9c019591b73ef84b9afa332ed53beece25"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:e87851288a262bc2363ff67646fd57773cf9fcebe369ad1ae6ad9fd2da2f13f2 · sha256:dfb59b403b9e8736… · /containers/cna/references/2

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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