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CVE-2022-50879· NVD / CVE Program· CNA Linux

objtool: Fix SEGFAULT

In the Linux kernel, the following vulnerability has been resolved: objtool: Fix SEGFAULT find_insn() will return NULL in case of failure. Check insn in order to avoid a kernel Oops for NULL pointer dereference.

—No exploit Fix available
Published
Dec 30, 2025
Updated
Jun 17, 2026
EPSS
0.2% · 9th percentile
CWE
—
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Action score

0

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Low priority for now.

CVSS
0 / 40 · —
CISA KEV
0 / 30 · Not listed
EPSS
0 / 30 · 0.2%

Affected systems

—

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

    • 1f7f88aa4df593db34dd1d6345213f20888687fb, 1bea53df12c47517b6e487e6fed34d0c05d42905, c6f589eed3b5a9b73b3be76a719917cc905bab0e, 4.17affected
    • 13810435b9a7014fb92eb715f77da488f3b65b99 and later · before 418ef921cce2d7415fab7e3e93529227f239e4bbaffected · git
    • 13810435b9a7014fb92eb715f77da488f3b65b99 and later · before 0af0e115ff59d638f45416a004cdd8edb38db40caffected · git
    • 13810435b9a7014fb92eb715f77da488f3b65b99 and later · before 23a249b1185cdd5bfb6971d1608ba49e589f2288affected · git
    • 13810435b9a7014fb92eb715f77da488f3b65b99 and later · before 38b9415abbd703438ebbc6fb74990bd0fbddc5b9affected · git
    • 13810435b9a7014fb92eb715f77da488f3b65b99 and later · before fcee8a2d4db404a93e690d79e7273b6ef9d33575affected · git
    • 13810435b9a7014fb92eb715f77da488f3b65b99 and later · before efb11fdb3e1a9f694fa12b70b21e69e55ec59c36affected · git
    • 4.9.106 and later · before 4.10affected · semver
    • 4.14.48 and later · before 4.15affected · semver
    • 4.16.14 and later · before 4.17affected · semver

Package-level exposure

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

EcosystemPackageAffected rangeFix
Debian:12linuxbefore 6.1.4-16.1.4-1
Red Hat:rhel_eus:9.2::appstreambpftool-debuginfobefore 0:7.0.0-284.48.1.el9_20:7.0.0-284.48.1.el9_2
Red Hat:rhel_eus:9.2::appstreamkernel-64k-debug-debuginfobefore 0:5.14.0-284.48.1.el9_20:5.14.0-284.48.1.el9_2
Red Hat:rhel_eus:9.2::appstreamkernel-64k-debug-develbefore 0:5.14.0-284.48.1.el9_20:5.14.0-284.48.1.el9_2
Red Hat:rhel_eus:9.2::appstreamkernel-64k-debug-devel-matchedbefore 0:5.14.0-284.48.1.el9_20:5.14.0-284.48.1.el9_2
Red Hat:rhel_eus:9.2::appstreamkernel-64k-debuginfobefore 0:5.14.0-284.48.1.el9_20:5.14.0-284.48.1.el9_2
Red Hat:rhel_eus:9.2::appstreamkernel-64k-develbefore 0:5.14.0-284.48.1.el9_20:5.14.0-284.48.1.el9_2
Red Hat:rhel_eus:9.2::appstreamkernel-64k-devel-matchedbefore 0:5.14.0-284.48.1.el9_20:5.14.0-284.48.1.el9_2
Red Hat:rhel_eus:9.2::appstreamkernel-debug-debuginfobefore 0:5.14.0-284.48.1.el9_20:5.14.0-284.48.1.el9_2
Red Hat:rhel_eus:9.2::appstreamkernel-debug-develbefore 0:5.14.0-284.48.1.el9_20:5.14.0-284.48.1.el9_2
Red Hat:rhel_eus:9.2::appstreamkernel-debug-devel-matchedbefore 0:5.14.0-284.48.1.el9_20:5.14.0-284.48.1.el9_2
Red Hat:rhel_eus:9.2::appstreamkernel-debuginfobefore 0:5.14.0-284.48.1.el9_20:5.14.0-284.48.1.el9_2
Red Hat:rhel_eus:9.2::appstreamkernel-debuginfo-common-aarch64before 0:5.14.0-284.48.1.el9_20:5.14.0-284.48.1.el9_2
Red Hat:rhel_eus:9.2::appstreamkernel-debuginfo-common-ppc64lebefore 0:5.14.0-284.48.1.el9_20:5.14.0-284.48.1.el9_2
Red Hat:rhel_eus:9.2::appstreamkernel-debuginfo-common-s390xbefore 0:5.14.0-284.48.1.el9_20:5.14.0-284.48.1.el9_2
Red Hat:rhel_eus:9.2::appstreamkernel-debuginfo-common-x86_64before 0:5.14.0-284.48.1.el9_20:5.14.0-284.48.1.el9_2
Red Hat:rhel_eus:9.2::appstreamkernel-develbefore 0:5.14.0-284.48.1.el9_20:5.14.0-284.48.1.el9_2
Red Hat:rhel_eus:9.2::appstreamkernel-devel-matchedbefore 0:5.14.0-284.48.1.el9_20:5.14.0-284.48.1.el9_2
Red Hat:rhel_eus:9.2::appstreamkernel-docbefore 0:5.14.0-284.48.1.el9_20:5.14.0-284.48.1.el9_2
Red Hat:rhel_eus:9.2::appstreamkernel-tools-debuginfobefore 0:5.14.0-284.48.1.el9_20:5.14.0-284.48.1.el9_2
Red Hat:rhel_eus:9.2::appstreamkernel-zfcpdump-debuginfobefore 0:5.14.0-284.48.1.el9_20:5.14.0-284.48.1.el9_2
Red Hat:rhel_eus:9.2::appstreamkernel-zfcpdump-develbefore 0:5.14.0-284.48.1.el9_20:5.14.0-284.48.1.el9_2
Red Hat:rhel_eus:9.2::appstreamkernel-zfcpdump-devel-matchedbefore 0:5.14.0-284.48.1.el9_20:5.14.0-284.48.1.el9_2
Red Hat:rhel_eus:9.2::appstreamperfbefore 0:5.14.0-284.48.1.el9_20:5.14.0-284.48.1.el9_2

+53

Same product

linux: all records

Other highest-scoring records for the same primary product.

  • CVE-2026-74705udp: fix potential use-after-free in tunnel segmentation
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  • CVE-2026-74280crypto: marvell/octeontx - fix DMA cleanup using wrong loop index
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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 Linux0af0e115ff59d638f45416a004cdd8edb38db40cVendor (CNA)
Linux Linux23a249b1185cdd5bfb6971d1608ba49e589f2288Vendor (CNA)
Linux Linux38b9415abbd703438ebbc6fb74990bd0fbddc5b9Vendor (CNA)
Linux Linux4.10Vendor (CNA)
Linux Linux4.15Vendor (CNA)
Linux Linux4.17Vendor (CNA)
Linux Linux418ef921cce2d7415fab7e3e93529227f239e4bbVendor (CNA)
Linux Linuxefb11fdb3e1a9f694fa12b70b21e69e55ec59c36Vendor (CNA)
Linux Linuxfcee8a2d4db404a93e690d79e7273b6ef9d33575Vendor (CNA)
debian:linux6.1.4-1 · Debian:12Package registry (OSV)
red hat:kernel-rt0:5.14.0-284.48.1.rt14.333.el9_2 · Red Hat:rhel_eus:9.2::nfvPackage registry (OSV)
red hat:kernel-rt-core0:5.14.0-284.48.1.rt14.333.el9_2 · Red Hat:rhel_eus:9.2::nfvPackage registry (OSV)
red hat:kernel-rt-debug0:5.14.0-284.48.1.rt14.333.el9_2 · Red Hat:rhel_eus:9.2::nfvPackage registry (OSV)
red hat:kernel-rt-debug-core0:5.14.0-284.48.1.rt14.333.el9_2 · Red Hat:rhel_eus:9.2::nfvPackage registry (OSV)
red hat:kernel-rt-debug-debuginfo0:5.14.0-284.48.1.rt14.333.el9_2 · Red Hat:rhel_eus:9.2::nfvPackage registry (OSV)
red hat:kernel-rt-debug-devel0:5.14.0-284.48.1.rt14.333.el9_2 · Red Hat:rhel_eus:9.2::nfvPackage registry (OSV)
red hat:kernel-rt-debug-kvm0:5.14.0-284.48.1.rt14.333.el9_2 · Red Hat:rhel_eus:9.2::nfvPackage registry (OSV)
red hat:kernel-rt-debug-modules0:5.14.0-284.48.1.rt14.333.el9_2 · Red Hat:rhel_eus:9.2::nfvPackage registry (OSV)
red hat:kernel-rt-debug-modules-core0:5.14.0-284.48.1.rt14.333.el9_2 · Red Hat:rhel_eus:9.2::nfvPackage registry (OSV)
red hat:kernel-rt-debug-modules-extra0:5.14.0-284.48.1.rt14.333.el9_2 · Red Hat:rhel_eus:9.2::nfvPackage registry (OSV)
red hat:kernel-rt-debuginfo0:5.14.0-284.48.1.rt14.333.el9_2 · Red Hat:rhel_eus:9.2::nfvPackage registry (OSV)
red hat:kernel-rt-debuginfo-common-x86_640:5.14.0-284.48.1.rt14.333.el9_2 · Red Hat:rhel_eus:9.2::nfvPackage 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

No CVSS vector for this record, so attack conditions can't be derived.

Weakness class (CWE)

—

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.

Noroxi analysis

No Noroxi analysis for this record yet

We don't hand-write analysis for all 385,000+ vulnerabilities; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.

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Change log

  1. Fix✗ → ✓

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

References

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

All records