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Linux KernelOperating system · Linux

CVE-2024-57930

MEDIUM · 5.5 CVSS v3.1 Published 2025-01-21
Fix available
A fix is available. Upgrade to 6.1.124 / 6.6.70 or later.
See remediation →
57/100
Remediation priority · Elevated
Zero-click Patch available

Official description Straight from the sourceThe vendor's or NVD's own wording, published unedited. Authoritative, but often terse — it says what broke, rarely what to do.

NVD · unedited
In the Linux kernel, the following vulnerability has been resolved: tracing: Have process_string() also allow arrays In order to catch a common bug where a TRACE_EVENT() TP_fast_assign() assigns an address of an allocated string to the ring buffer and then references it in TP_printk(), which can be executed hours later when the string is free, the function test_event_printk() runs on all events as they are registered to make sure there's no unwanted dereferencing. It calls process_string() to handle cases in TP_printk() format that has "%s". It returns whether or not the string is safe. But it can have some false positives. For instance, xe_bo_move() has: TP_printk("move_lacks_source:%s, migrate object %p [size %zu] from %s to %s device_id:%s", __entry->move_lacks_source ? "yes" : "no", __entry->bo, __entry->size, xe_mem_type_to_name[__entry->old_placement], xe_mem_type_to_name[__entry->new_placement], __get_str(device_id)) Where the "%s" references into xe_mem_type_to_name[]. This is an array of pointers that should be safe for the event to access. Instead of flagging this as a bad reference, if a reference points to an array, where the record field is the index, consider it safe.

Technical summary Written by usOur analysis, written from the advisory, the CVSS vector and the affected-version data. It adds context the advisory leaves out, and never invents facts that are not in the source.

dbcve analysis

A detailed technical summary for this CVE is being prepared.

Affected products & versions What the vendor confirmedThe version ranges the vendor confirmed as vulnerable. If your version sits inside a range here, treat yourself as exposed until you have upgraded.

NVD · CPE data
Linux KernelOperating system
Affected:>= 6.1.122, < 6.1.124>= 6.6.68, < 6.6.70>= 6.12.7, < 6.12.9= 6.13

CVSS breakdown How the score is builtThe industry scoring standard. It rates how the flaw is reached, what it takes to exploit, and what an attacker gains — the score is derived from those, not the other way round.

From the vector
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

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

Remediation Closing itWhat it takes to close this. Where a vendor fix exists we point at it; where none exists we say so plainly, and can build one. Effort estimates are scoped from the advisory, not from your codebase.

dbcve · scoped
Upgrade available Upgrade to 6.1.124 / 6.6.70 / 6.12.9 or later
Fixed in 6.1.1246.6.706.12.9
Vendor patch git.kernel.org →
Recommended fix High confidence

6.1.124 (for 6.1.x) | 6.6.70 (for 6.6.x) | 6.12.9 (for 6.12.x) | version > 6.13 (for 6.13.x)

  1. 1. Check the current running kernel version using 'uname -r'
  2. 2. If the version is 6.1.122-6.1.123, upgrade to kernel 6.1.124 or later
  3. 3. If the version is 6.6.68-6.6.69, upgrade to kernel 6.6.70 or later
  4. 4. If the version is 6.12.7-6.12.8, upgrade to kernel 6.12.9 or later
  5. 5. If the version is exactly 6.13, upgrade to a version after 6.13 (e.g., 6.13.1 or later)
  6. 6. Reboot into the new kernel
Caveat This is a low-risk bug fix in the tracing subsystem that relaxes validation to allow previously flagged-safe array accesses. No breaking changes expected.

Generated from the published advisory — verify against the referenced sources before acting.

We can perform the upgrade in your staging environment and verify nothing breaks — typical engagement from $1,600. Get the upgrade done

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References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.

Primary sources

Practitioner notes

Contributed

Peer-ranked notes from engineers who’ve handled CVE-2024-57930 in production — separate from our analysis above.

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