CVE-2026-22990

HIGH 7.5

libceph: replace overzealous BUG_ON in osdmap_apply_incremental()

CVSS Score

7.5

EPSS Score

0.0%

EPSS Percentile

0th

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.

Vendor	linux
Product	linux
Ecosystems	Linux Kernel
Industries	Technology
Published	Jan 23, 2026
Last Updated	Apr 27, 2026

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CVSS v3 Breakdown

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

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

Affected Versions

Linux / Linux

f24e9980eb860d8600cbe5ef3d2fd9295320d229 < 9aa0b0c14cefece078286d78b97d4c09685e372d f24e9980eb860d8600cbe5ef3d2fd9295320d229 < 4b106fbb1c7b841cd402abd83eb2447164c799ea f24e9980eb860d8600cbe5ef3d2fd9295320d229 < 6afd2a4213524bc742b709599a3663aeaf77193c f24e9980eb860d8600cbe5ef3d2fd9295320d229 < d3613770e2677683e65d062da5e31f48c409abe9 f24e9980eb860d8600cbe5ef3d2fd9295320d229 < 6c6cec3db3b418c4fdf815731bc39e46dff75e1b f24e9980eb860d8600cbe5ef3d2fd9295320d229 < 6348d70af847b79805374fe628d3809a63fd7df3 f24e9980eb860d8600cbe5ef3d2fd9295320d229 < e00c3f71b5cf75681dbd74ee3f982a99cb690c2b

Linux / Linux

2.6.34

References

NVD ↗ CVE.org ↗ EPSS Data ↗

git.kernel.org: https://git.kernel.org/stable/c/9aa0b0c14cefece078286d78b97d4c09685e372d git.kernel.org: https://git.kernel.org/stable/c/4b106fbb1c7b841cd402abd83eb2447164c799ea git.kernel.org: https://git.kernel.org/stable/c/6afd2a4213524bc742b709599a3663aeaf77193c git.kernel.org: https://git.kernel.org/stable/c/d3613770e2677683e65d062da5e31f48c409abe9 git.kernel.org: https://git.kernel.org/stable/c/6c6cec3db3b418c4fdf815731bc39e46dff75e1b git.kernel.org: https://git.kernel.org/stable/c/6348d70af847b79805374fe628d3809a63fd7df3 git.kernel.org: https://git.kernel.org/stable/c/e00c3f71b5cf75681dbd74ee3f982a99cb690c2b