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NVD / CVE Program· CNA Linux

CVE-2022-50491: coresight: cti: Fix hang in cti_disable_hw()

Noroxi assessment

Priority: Monitor (action score 22/100)

  • The sources we track (CISA KEV, Exploit-DB, Metasploit, Nuclei, GitHub) show no public exploit code or exploitation in the wild.
  • Probability of exploitation in the next 30 days: 0.15% (FIRST EPSS).
  • Someone with local access to the system can trigger it. A low-privileged account is enough. No user action is required. No special conditions are required; it is repeatable.
  • Fixed version: Linux Linux 4c365a0c21aaf2b8fcc88de8dc298803288f61ac, 6746eae4bbaddcc16b40efb33dab79210828b3ce, c51cfba50df8b9e16bfe0e6d4f2f252a4a10063d.

Low priority for now. Upgrade to Linux Linux 4c365a0c21aaf2b8fcc88de8dc298803288f61ac, 6746eae4bbaddcc16b40efb33dab79210828b3ce, c51cfba50df8b9e16bfe0e6d4f2f252a4a10063d or later.

Generated automatically from the record's data: CVSS (NVD and CNA), CISA KEV and SSVC, FIRST EPSS, exploit sources, fixed versions. How we calculate it

Primary sources: NVD · CVE.org · FIRST EPSS

In the Linux kernel, the following vulnerability has been resolved: coresight: cti: Fix hang in cti_disable_hw() cti_enable_hw() and cti_disable_hw() are called from an atomic context so shouldn't use runtime PM because it can result in a sleep when communicating with firmware. Since commit 3c6656337852 ("Revert "firmware: arm_scmi: Add clock management to the SCMI power domain""), this causes a hang on Juno when running the Perf Coresight tests or running this command: perf record -e cs_etm//u -- ls This was also missed until the revert commit because pm_runtime_put() was called with the wrong device until commit 692c9a499b28 ("coresight: cti: Correct the parameter for pm_runtime_put") With lock and scheduler debugging enabled the following is output: coresight cti_sys0: cti_enable_hw -- dev:cti_sys0 parent: 20020000.cti BUG: sleeping function called from invalid context at drivers/base/power/runtime.c:1151 in_atomic(): 1, irqs_disabled(): 128, non_block: 0, pid: 330, name: perf-exec preempt_count: 2, expected: 0 RCU nest depth: 0, expected: 0 INFO: lockdep is turned off. irq event stamp: 0 hardirqs last enabled at (0): [<0000000000000000>] 0x0 hardirqs last disabled at (0): [<ffff80000822b394>] copy_process+0xa0c/0x1948 softirqs last enabled at (0): [<ffff80000822b394>] copy_process+0xa0c/0x1948 softirqs last disabled at (0): [<0000000000000000>] 0x0 CPU: 3 PID: 330 Comm: perf-exec Not tainted 6.0.0-00053-g042116d99298 #7 Hardware name: ARM LTD ARM Juno Development Platform/ARM Juno Development Platform, BIOS EDK II Sep 13 2022 Call trace: dump_backtrace+0x134/0x140 show_stack+0x20/0x58 dump_stack_lvl+0x8c/0xb8 dump_stack+0x18/0x34 __might_resched+0x180/0x228 __might_sleep+0x50/0x88 __pm_runtime_resume+0xac/0xb0 cti_enable+0x44/0x120 coresight_control_assoc_ectdev+0xc0/0x150 coresight_enable_path+0xb4/0x288 etm_event_start+0x138/0x170 etm_event_add+0x48/0x70 event_sched_in.isra.122+0xb4/0x280 merge_sched_in+0x1fc/0x3d0 visit_groups_merge.constprop.137+0x16c/0x4b0 ctx_sched_in+0x114/0x1f0 perf_event_sched_in+0x60/0x90 ctx_resched+0x68/0xb0 perf_event_exec+0x138/0x508 begin_new_exec+0x52c/0xd40 load_elf_binary+0x6b8/0x17d0 bprm_execve+0x360/0x7f8 do_execveat_common.isra.47+0x218/0x238 __arm64_sys_execve+0x48/0x60 invoke_syscall+0x4c/0x110 el0_svc_common.constprop.4+0xfc/0x120 do_el0_svc+0x34/0xc0 el0_svc+0x40/0x98 el0t_64_sync_handler+0x98/0xc0 el0t_64_sync+0x170/0x174 Fix the issue by removing the runtime PM calls completely. They are not needed here because it must have already been done when building the path for a trace. [ Fix build warnings ]

MediumCVSS 5.5 · v3.1—No exploit Fix available
Published
Oct 4, 2025
Updated
Jun 17, 2026
EPSS
0.1% · 5th percentile
CWE
—

Report tools

JSON

Action score

22

Monitor

Low priority for now.

CVSS
22 / 40 · 5.5 / 10
CISA KEV
0 / 30 · Not listed
EPSS
0 / 30 · 0.1%

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Noroxi analysis

What does it mean in your environment?

The assessment above is generated automatically from the record's data; it doesn't know your environment. Our team verifies on your systems whether this vulnerability is actually exploitable and which mitigation is enough.

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Affected systems

Is your version affected?

Pick the product and type the version you run. It's compared with this record's version ranges in your browser; the version isn't sent anywhere.

VendorProduct
linuxlinux kernel

Affected versions

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

  • linux linux kernel5.7 and later · before 5.10.154
  • linux linux kernel5.11 and later · before 5.15.77
  • linux linux kernel5.16 and later · before 6.0.7
  • linux linux kernel6.1

Versions reported by the vendor

Affected version ranges reported by the assigning authority (Linux). Independent of NVD's CPE analysis and usually ahead of it.

  • Linux Linux

    • 5.7affected
    • 835d722ba10ac924adba1e8a46f2d80955222b4b and later · before e33ce54cef5d429430e3b1ae5c8ee4f4103c4fdcaffected · git
    • 835d722ba10ac924adba1e8a46f2d80955222b4b and later · before 4c365a0c21aaf2b8fcc88de8dc298803288f61acaffected · git
    • 835d722ba10ac924adba1e8a46f2d80955222b4b and later · before c51cfba50df8b9e16bfe0e6d4f2f252a4a10063daffected · git
    • 835d722ba10ac924adba1e8a46f2d80955222b4b and later · before 6746eae4bbaddcc16b40efb33dab79210828b3ceaffected · git
    • before 5.7not affected · semver
    • 5.10.154 and later · up to and including 5.10.*not affected · semver
    • 5.15.77 and later · up to and including 5.15.*not affected · semver
    • 6.0.7 and later · up to and including 6.0.*not affected · semver
    • 6.1 and laternot affected · original_commit_for_fix

Package-level exposure

OSV and GitHub Advisory data: ecosystem, package and range. SBOM matching uses this table.

EcosystemPackageAffected rangeFix
Debian:12linuxbefore 6.0.7-16.0.7-1
Red Hat:enterprise_linux:9::appstreamkernel-64k-debug-debuginfobefore 0:5.14.0-570.12.1.el9_60:5.14.0-570.12.1.el9_6
Red Hat:enterprise_linux:9::appstreamkernel-64k-debug-develbefore 0:5.14.0-570.12.1.el9_60:5.14.0-570.12.1.el9_6
Red Hat:enterprise_linux:9::appstreamkernel-64k-debug-devel-matchedbefore 0:5.14.0-570.12.1.el9_60:5.14.0-570.12.1.el9_6
Red Hat:enterprise_linux:9::appstreamkernel-64k-debuginfobefore 0:5.14.0-570.12.1.el9_60:5.14.0-570.12.1.el9_6
Red Hat:enterprise_linux:9::appstreamkernel-64k-develbefore 0:5.14.0-570.12.1.el9_60:5.14.0-570.12.1.el9_6
Red Hat:enterprise_linux:9::appstreamkernel-64k-devel-matchedbefore 0:5.14.0-570.12.1.el9_60:5.14.0-570.12.1.el9_6
Red Hat:enterprise_linux:9::appstreamkernel-debug-debuginfobefore 0:5.14.0-570.12.1.el9_60:5.14.0-570.12.1.el9_6
Red Hat:enterprise_linux:9::appstreamkernel-debug-develbefore 0:5.14.0-570.12.1.el9_60:5.14.0-570.12.1.el9_6
Red Hat:enterprise_linux:9::appstreamkernel-debug-devel-matchedbefore 0:5.14.0-570.12.1.el9_60:5.14.0-570.12.1.el9_6
Red Hat:enterprise_linux:9::appstreamkernel-debuginfobefore 0:5.14.0-570.12.1.el9_60:5.14.0-570.12.1.el9_6
Red Hat:enterprise_linux:9::appstreamkernel-debuginfo-common-aarch64before 0:5.14.0-570.12.1.el9_60:5.14.0-570.12.1.el9_6
Red Hat:enterprise_linux:9::appstreamkernel-debuginfo-common-ppc64lebefore 0:5.14.0-570.12.1.el9_60:5.14.0-570.12.1.el9_6
Red Hat:enterprise_linux:9::appstreamkernel-debuginfo-common-s390xbefore 0:5.14.0-570.12.1.el9_60:5.14.0-570.12.1.el9_6
Red Hat:enterprise_linux:9::appstreamkernel-debuginfo-common-x86_64before 0:5.14.0-570.12.1.el9_60:5.14.0-570.12.1.el9_6
Red Hat:enterprise_linux:9::appstreamkernel-develbefore 0:5.14.0-570.12.1.el9_60:5.14.0-570.12.1.el9_6
Red Hat:enterprise_linux:9::appstreamkernel-devel-matchedbefore 0:5.14.0-570.12.1.el9_60:5.14.0-570.12.1.el9_6
Red Hat:enterprise_linux:9::appstreamkernel-docbefore 0:5.14.0-570.12.1.el9_60:5.14.0-570.12.1.el9_6
Red Hat:enterprise_linux:9::appstreamkernel-rt-64k-debug-debuginfobefore 0:5.14.0-570.12.1.el9_60:5.14.0-570.12.1.el9_6
Red Hat:enterprise_linux:9::appstreamkernel-rt-64k-debuginfobefore 0:5.14.0-570.12.1.el9_60:5.14.0-570.12.1.el9_6
Red Hat:enterprise_linux:9::appstreamkernel-rt-debug-debuginfobefore 0:5.14.0-570.12.1.el9_60:5.14.0-570.12.1.el9_6
Red Hat:enterprise_linux:9::appstreamkernel-rt-debuginfobefore 0:5.14.0-570.12.1.el9_60:5.14.0-570.12.1.el9_6
Red Hat:enterprise_linux:9::appstreamkernel-tools-debuginfobefore 0:5.14.0-570.12.1.el9_60:5.14.0-570.12.1.el9_6
Red Hat:enterprise_linux:9::appstreamkernel-zfcpdump-debuginfobefore 0:5.14.0-570.12.1.el9_60:5.14.0-570.12.1.el9_6

+68

Same product

linux: all records

Other highest-scoring records for the same primary product.

  • CVE-2026-31431crypto: algif_aead - Revert to operating out-of-placeKEV
    90Now
  • CVE-2022-0847A flaw was found in the way the "flags" member of the new pipe buffer structure was lacking proper initialization in copy_page_to_iter_pipe KEV
    89Now
  • CVE-2021-22555Heap Out-Of-Bounds Write in Netfilter IP6T_SO_SET_REPLACEKEV
    85Now

Published before and after this one in the same product

  • ← EarlierCVE-2022-50486Oct 4, 2025 · net: ethernet: ti: Fix return type of netcp_ndo_start_xmit()
    22Monitor
  • ← EarlierCVE-2022-50489Oct 4, 2025 · drm/mipi-dsi: Detach devices when removing the host
    22Monitor
  • Later →CVE-2022-50492Oct 4, 2025 · drm/msm: fix use-after-free on probe deferral
    31Monitor

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

Product / packageFixed versionSource
Linux Linux4c365a0c21aaf2b8fcc88de8dc298803288f61acVendor (CNA)
Linux Linux6746eae4bbaddcc16b40efb33dab79210828b3ceVendor (CNA)
Linux Linuxc51cfba50df8b9e16bfe0e6d4f2f252a4a10063dVendor (CNA)
Linux Linuxe33ce54cef5d429430e3b1ae5c8ee4f4103c4fdcVendor (CNA)
debian:linux6.0.7-1 · Debian:12Package registry (OSV)
red hat:kernel-64k-debug-debuginfo0:5.14.0-570.12.1.el9_6 · Red Hat:enterprise_linux:9::appstreamPackage registry (OSV)
red hat:kernel-64k-debug-devel0:5.14.0-570.12.1.el9_6 · Red Hat:enterprise_linux:9::appstreamPackage registry (OSV)
red hat:kernel-64k-debug-devel-matched0:5.14.0-570.12.1.el9_6 · Red Hat:enterprise_linux:9::appstreamPackage registry (OSV)
red hat:kernel-64k-debuginfo0:5.14.0-570.12.1.el9_6 · Red Hat:enterprise_linux:9::appstreamPackage registry (OSV)
red hat:kernel-64k-devel0:5.14.0-570.12.1.el9_6 · Red Hat:enterprise_linux:9::appstreamPackage registry (OSV)
red hat:kernel-64k-devel-matched0:5.14.0-570.12.1.el9_6 · Red Hat:enterprise_linux:9::appstreamPackage registry (OSV)
red hat:kernel-debug-debuginfo0:5.14.0-570.12.1.el9_6 · Red Hat:enterprise_linux:9::appstreamPackage registry (OSV)
red hat:kernel-debug-devel0:5.14.0-570.12.1.el9_6 · Red Hat:enterprise_linux:9::appstreamPackage registry (OSV)
red hat:kernel-debug-devel-matched0:5.14.0-570.12.1.el9_6 · Red Hat:enterprise_linux:9::appstreamPackage registry (OSV)
red hat:kernel-debuginfo0:5.14.0-570.12.1.el9_6 · Red Hat:enterprise_linux:9::appstreamPackage registry (OSV)
red hat:kernel-debuginfo-common-aarch640:5.14.0-570.12.1.el9_6 · Red Hat:enterprise_linux:9::appstreamPackage registry (OSV)
red hat:kernel-debuginfo-common-ppc64le0:5.14.0-570.12.1.el9_6 · Red Hat:enterprise_linux:9::appstreamPackage registry (OSV)

Exploit status

No known public exploit

No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

No dated events beyond publication.

No history yet (it accumulates with the daily EPSS job).

Patch and commit links

Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.

No commit or PR link among the references.

Credits

All researchers

Finders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.

No credits in the CNA record.

Variant candidates

Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.

No nightly-computed relations.

Chain candidates

An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.

—

Bug bounty scope

No known public program.

Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).

Technical details

Attack conditions

  • Someone with local access to the system can trigger it.
  • A low-privileged account is enough.
  • No user action is required.
  • No special conditions are required; it is repeatable.

If successful

Confidentiality
none
Integrity
none
Availability
high · the service can be disrupted
Attack vector
Local
Attack complexity
Low
Privileges required
Low
User interaction
None
Scope
Unchanged
Confidentiality impact
None
Integrity impact
None
Availability impact
High

Weakness class (CWE)

—

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

nvd-primary

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

MITRE has no CAPEC/ATT&CK mapping for this CWE.

Change log

  1. Fix✗ → ✓

For records you follow, these changes also arrive as notifications. →

References

Show all references (3 more)

Vendor advisories and official records. Exploit/PoC links are deliberately left out.

All records