Linux Kernel up to 6.19-rc4 libceph osdmap_apply_incremental assertion

CVSS Meta Temp Score
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CTI Interest Score
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6.1$0-$5k0.00

Summaryinfo

A vulnerability was found in Linux Kernel up to 6.19-rc4. It has been declared as critical. Impacted is the function osdmap_apply_incremental of the component libceph. The manipulation results in an unknown weakness. This vulnerability is known as CVE-2026-22990. No exploit is available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in Linux Kernel up to 6.19-rc4. It has been classified as critical. Affected is the function osdmap_apply_incremental of the component libceph. CWE is classifying the issue as CWE-617. The product contains an assert() or similar statement that can be triggered by an attacker, which leads to an application exit or other behavior that is more severe than necessary. The impact remains unknown. CVE summarizes:

In the Linux kernel, the following vulnerability has been resolved: libceph: replace overzealous BUG_ON in osdmap_apply_incremental() If the osdmap is (maliciously) corrupted such that the incremental osdmap epoch is different from what is expected, there is no need to BUG. Instead, just declare the incremental osdmap to be invalid.

The advisory is shared for download at git.kernel.org. This vulnerability is traded as CVE-2026-22990 since 01/13/2026. There are known technical details, but no exploit is available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 06/21/2026).

The vulnerability scanner Nessus provides a plugin with the ID 296397 (Linux Distros Unpatched Vulnerability : CVE-2026-22990), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 5.10.248, 5.15.198, 6.1.161, 6.6.121, 6.12.66, 6.18.6 or 6.19-rc5 eliminates this vulnerability. Applying the patch 9aa0b0c14cefece078286d78b97d4c09685e372d/4b106fbb1c7b841cd402abd83eb2447164c799ea/6afd2a4213524bc742b709599a3663aeaf77193c/d3613770e2677683e65d062da5e31f48c409abe9/6c6cec3db3b418c4fdf815731bc39e46dff75e1b/6348d70af847b79805374fe628d3809a63fd7df3/e00c3f71b5cf75681dbd74ee3f982a99cb690c2b is able to eliminate this problem. The bugfix is ready for download at git.kernel.org. The best possible mitigation is suggested to be upgrading to the latest version.

The vulnerability is also documented in the databases at Tenable (296397) and CERT Bund (WID-SEC-2026-0215). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Affected

  • Debian Linux
  • Amazon Linux 2
  • Red Hat Enterprise Linux
  • Ubuntu Linux
  • SUSE Linux
  • Oracle Linux
  • IBM QRadar SIEM
  • SUSE openSUSE
  • RESF Rocky Linux
  • NetApp ActiveIQ Unified Manager
  • Open Source Linux Kernel

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.2
VulDB Meta Temp Score: 6.1

VulDB Base Score: 5.5
VulDB Temp Score: 5.3
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 5.5
NVD Vector: 🔒

CNA Base Score: 7.5
CNA Vector (Linux): 🔒

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Assertion
CWE: CWE-617
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Nessus ID: 296397
Nessus Name: Linux Distros Unpatched Vulnerability : CVE-2026-22990

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Kernel 5.10.248/5.15.198/6.1.161/6.6.121/6.12.66/6.18.6/6.19-rc5
Patch: 9aa0b0c14cefece078286d78b97d4c09685e372d/4b106fbb1c7b841cd402abd83eb2447164c799ea/6afd2a4213524bc742b709599a3663aeaf77193c/d3613770e2677683e65d062da5e31f48c409abe9/6c6cec3db3b418c4fdf815731bc39e46dff75e1b/6348d70af847b79805374fe628d3809a63fd7df3/e00c3f71b5cf75681dbd74ee3f982a99cb690c2b

Timelineinfo

01/13/2026 CVE reserved
01/23/2026 +10 days Advisory disclosed
01/23/2026 +0 days VulDB entry created
06/21/2026 +149 days VulDB entry last update

Sourcesinfo

Vendor: kernel.org

Advisory: git.kernel.org
Status: Confirmed

CVE: CVE-2026-22990 (🔒)
GCVE (CVE): GCVE-0-2026-22990
GCVE (VulDB): GCVE-100-342600
CERT Bund: WID-SEC-2026-0215 - Linux Kernel: Mehrere Schwachstellen

Entryinfo

Created: 01/23/2026 17:33
Updated: 06/21/2026 15:03
Changes: 01/23/2026 17:33 (58), 01/25/2026 12:37 (2), 02/26/2026 18:55 (11), 03/27/2026 13:49 (7), 05/18/2026 03:45 (1), 06/21/2026 15:03 (12)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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