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CVE-2023-53299· NVD / CVE Program· CNA Linux

md/raid10: fix leak of 'r10bio->remaining' for recovery

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 11141630f03efffdfe260b3582b2d93d38171b97, 1697fb124c6d6c5237e9cbd78890310154738084, 1d2c6c6e37fe5de11fd01a82badf03390e12df7a.

Low priority for now. Upgrade to Linux Linux 11141630f03efffdfe260b3582b2d93d38171b97, 1697fb124c6d6c5237e9cbd78890310154738084, 1d2c6c6e37fe5de11fd01a82badf03390e12df7a 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: md/raid10: fix leak of 'r10bio->remaining' for recovery raid10_sync_request() will add 'r10bio->remaining' for both rdev and replacement rdev. However, if the read io fails, recovery_request_write() returns without issuing the write io, in this case, end_sync_request() is only called once and 'remaining' is leaked, cause an io hang. Fix the problem by decreasing 'remaining' according to if 'bio' and 'repl_bio' is valid.

MediumCVSS 5.5 · v3.1—No exploit Fix available
Published
Sep 16, 2025
Updated
Jun 17, 2026
EPSS
0.1% · 3th percentile

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%

CISA SSVC decision

Exploitation
none
Automatable
no
Technical impact
partial

Vulnrichment: CISA's decision-tree inputs.

Get told when this record changes

  • Not in KEV: no record of exploitation in the wild
  • No public exploit code on record
  • A fix has been released

If any of these changes, we'll tell you in the daily email digest.

Follow CVE-2023-53299

When you'll hear from us

  • when it enters CISA KEV
  • when exploit code appears or is weaponized
  • when the record is updated (including a fixed version)
  • when EPSS rises 20 points in a week

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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 kernel3.3 and later · before 4.14.315
  • linux linux kernel4.15 and later · before 4.19.283
  • linux linux kernel4.20 and later · before 5.4.243
  • linux linux kernel5.5 and later · before 5.10.180
  • linux linux kernel5.11 and later · before 5.15.111
  • linux linux kernel5.16 and later · before 6.1.28
  • linux linux kernel6.2 and later · before 6.2.15
  • linux linux kernel6.3 and later · before 6.3.2

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

    • 3.3affected
    • 24afd80d99f80a79d8824d2805114b8b067e9823 and later · before cb827ed2bb34480dc102146d3a1f89fdbcafc028affected · git
    • 24afd80d99f80a79d8824d2805114b8b067e9823 and later · before 1d2c6c6e37fe5de11fd01a82badf03390e12df7aaffected · git
    • 24afd80d99f80a79d8824d2805114b8b067e9823 and later · before 8c5d5d7ffd1e76734811b8ea5417cf0432b9952caffected · git
    • 24afd80d99f80a79d8824d2805114b8b067e9823 and later · before 1697fb124c6d6c5237e9cbd78890310154738084affected · git
    • 24afd80d99f80a79d8824d2805114b8b067e9823 and later · before 8d09065802c53cc938d162b62f6c4150b392c90eaffected · git
    • 24afd80d99f80a79d8824d2805114b8b067e9823 and later · before 11141630f03efffdfe260b3582b2d93d38171b97affected · git
    • 24afd80d99f80a79d8824d2805114b8b067e9823 and later · before 3481dec5ecbbbbe44ab23e22c2b14bd65c644ec6affected · git
    • 24afd80d99f80a79d8824d2805114b8b067e9823 and later · before 4f82e7e07cdaf2947d71968e3d6b73370a217093affected · git
    • 24afd80d99f80a79d8824d2805114b8b067e9823 and later · before 26208a7cffd0c7cbf14237ccd20c7270b3ffeb7eaffected · git

Package-level exposure

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

EcosystemPackageAffected rangeFix
Debian:12linuxbefore 6.1.37-16.1.37-1
Debian:13linuxbefore 6.3.7-16.3.7-1
Red Hat:rhel_eus:8.8::baseosbpftoolbefore 0:4.18.0-477.36.1.el8_80:4.18.0-477.36.1.el8_8
Red Hat:rhel_eus:8.8::baseosbpftool-debuginfobefore 0:4.18.0-477.36.1.el8_80:4.18.0-477.36.1.el8_8
Red Hat:rhel_eus:8.8::baseoskernelbefore 0:4.18.0-477.36.1.el8_80:4.18.0-477.36.1.el8_8
Red Hat:rhel_eus:8.8::baseoskernel-abi-stablelistsbefore 0:4.18.0-477.36.1.el8_80:4.18.0-477.36.1.el8_8
Red Hat:rhel_eus:8.8::baseoskernel-corebefore 0:4.18.0-477.36.1.el8_80:4.18.0-477.36.1.el8_8
Red Hat:rhel_eus:8.8::baseoskernel-debugbefore 0:4.18.0-477.36.1.el8_80:4.18.0-477.36.1.el8_8
Red Hat:rhel_eus:8.8::baseoskernel-debug-corebefore 0:4.18.0-477.36.1.el8_80:4.18.0-477.36.1.el8_8
Red Hat:rhel_eus:8.8::baseoskernel-debug-debuginfobefore 0:4.18.0-477.36.1.el8_80:4.18.0-477.36.1.el8_8
Red Hat:rhel_eus:8.8::baseoskernel-debug-develbefore 0:4.18.0-477.36.1.el8_80:4.18.0-477.36.1.el8_8
Red Hat:rhel_eus:8.8::baseoskernel-debug-modulesbefore 0:4.18.0-477.36.1.el8_80:4.18.0-477.36.1.el8_8
Red Hat:rhel_eus:8.8::baseoskernel-debug-modules-extrabefore 0:4.18.0-477.36.1.el8_80:4.18.0-477.36.1.el8_8
Red Hat:rhel_eus:8.8::baseoskernel-debuginfobefore 0:4.18.0-477.36.1.el8_80:4.18.0-477.36.1.el8_8
Red Hat:rhel_eus:8.8::baseoskernel-debuginfo-common-aarch64before 0:4.18.0-477.36.1.el8_80:4.18.0-477.36.1.el8_8
Red Hat:rhel_eus:8.8::baseoskernel-debuginfo-common-ppc64lebefore 0:4.18.0-477.36.1.el8_80:4.18.0-477.36.1.el8_8
Red Hat:rhel_eus:8.8::baseoskernel-debuginfo-common-s390xbefore 0:4.18.0-477.36.1.el8_80:4.18.0-477.36.1.el8_8
Red Hat:rhel_eus:8.8::baseoskernel-debuginfo-common-x86_64before 0:4.18.0-477.36.1.el8_80:4.18.0-477.36.1.el8_8
Red Hat:rhel_eus:8.8::baseoskernel-develbefore 0:4.18.0-477.36.1.el8_80:4.18.0-477.36.1.el8_8
Red Hat:rhel_eus:8.8::baseoskernel-docbefore 0:4.18.0-477.36.1.el8_80:4.18.0-477.36.1.el8_8
Red Hat:rhel_eus:8.8::baseoskernel-modulesbefore 0:4.18.0-477.36.1.el8_80:4.18.0-477.36.1.el8_8
Red Hat:rhel_eus:8.8::baseoskernel-modules-extrabefore 0:4.18.0-477.36.1.el8_80:4.18.0-477.36.1.el8_8
Red Hat:rhel_eus:8.8::baseoskernel-toolsbefore 0:4.18.0-477.36.1.el8_80:4.18.0-477.36.1.el8_8
Red Hat:rhel_eus:8.8::baseoskernel-tools-debuginfobefore 0:4.18.0-477.36.1.el8_80:4.18.0-477.36.1.el8_8

+12

Same product

linux: all records

Other highest-scoring records for the same primary product.

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  • CVE-2016-5195Race condition in mm/gup.c in the Linux kernel 2.x through 4.x before 4.8.3 allows local users to gain privileges by leveraging incorrect haKEV
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    77This week

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 Linux11141630f03efffdfe260b3582b2d93d38171b97Vendor (CNA)
Linux Linux1697fb124c6d6c5237e9cbd78890310154738084Vendor (CNA)
Linux Linux1d2c6c6e37fe5de11fd01a82badf03390e12df7aVendor (CNA)
Linux Linux26208a7cffd0c7cbf14237ccd20c7270b3ffeb7eVendor (CNA)
Linux Linux3481dec5ecbbbbe44ab23e22c2b14bd65c644ec6Vendor (CNA)
Linux Linux4f82e7e07cdaf2947d71968e3d6b73370a217093Vendor (CNA)
Linux Linux8c5d5d7ffd1e76734811b8ea5417cf0432b9952cVendor (CNA)
Linux Linux8d09065802c53cc938d162b62f6c4150b392c90eVendor (CNA)
Linux Linuxcb827ed2bb34480dc102146d3a1f89fdbcafc028Vendor (CNA)
debian:linux6.1.37-1 · Debian:12Package registry (OSV)
red hat:bpftool0:4.18.0-477.36.1.el8_8 · Red Hat:rhel_eus:8.8::baseosPackage registry (OSV)
red hat:bpftool-debuginfo0:4.18.0-477.36.1.el8_8 · Red Hat:rhel_eus:8.8::baseosPackage registry (OSV)
red hat:kernel0:4.18.0-477.36.1.el8_8 · Red Hat:rhel_eus:8.8::baseosPackage registry (OSV)
red hat:kernel-abi-stablelists0:4.18.0-477.36.1.el8_8 · Red Hat:rhel_eus:8.8::baseosPackage registry (OSV)
red hat:kernel-core0:4.18.0-477.36.1.el8_8 · Red Hat:rhel_eus:8.8::baseosPackage registry (OSV)
red hat:kernel-debug0:4.18.0-477.36.1.el8_8 · Red Hat:rhel_eus:8.8::baseosPackage registry (OSV)
red hat:kernel-debug-core0:4.18.0-477.36.1.el8_8 · Red Hat:rhel_eus:8.8::baseosPackage registry (OSV)
red hat:kernel-debug-debuginfo0:4.18.0-477.36.1.el8_8 · Red Hat:rhel_eus:8.8::baseosPackage registry (OSV)
red hat:kernel-debug-devel0:4.18.0-477.36.1.el8_8 · Red Hat:rhel_eus:8.8::baseosPackage registry (OSV)
red hat:kernel-debug-modules0:4.18.0-477.36.1.el8_8 · Red Hat:rhel_eus:8.8::baseosPackage registry (OSV)
red hat:kernel-debug-modules-extra0:4.18.0-477.36.1.el8_8 · Red Hat:rhel_eus:8.8::baseosPackage registry (OSV)
red hat:kernel-debuginfo0:4.18.0-477.36.1.el8_8 · Red Hat:rhel_eus:8.8::baseosPackage 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.

EPSS, last 120 days

FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).

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)

CWE-401 · Missing Release of Memory after Effective Lifetime

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 (8 more)

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

All records