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CVE-2023-54293

In the Linux kernel, the following vulnerability has been resolved: bcache: fixup btree_cache_wait list damage We get a kernel crash about "list_add corruption.

Published Dec 30, 2025EPSS 0.20%

Overview

CVE-2023-54293 is a known-severity vulnerability. It was published on December 30, 2025.

Technical description

In the Linux kernel, the following vulnerability has been resolved:

bcache: fixup btree_cache_wait list damage

We get a kernel crash about "list_add corruption. next->prev should be

prev (ffff9c801bc01210), but was ffff9c77b688237c.

(next=ffffae586d8afe68)."

crash> struct list_head 0xffff9c801bc01210

struct list_head {

next = 0xffffae586d8afe68,

prev = 0xffffae586d8afe68

}

crash> struct list_head 0xffff9c77b688237c

struct list_head {

next = 0x0,

prev = 0x0

}

crash> struct list_head 0xffffae586d8afe68

struct list_head struct: invalid kernel virtual address: ffffae586d8afe68 type: "gdb_readmem_callback"

Cannot access memory at address 0xffffae586d8afe68

[230469.019492] Call Trace:

[230469.032041] prepare_to_wait+0x8a/0xb0

[230469.044363] ? bch_btree_keys_free+0x6c/0xc0 [escache]

[230469.056533] mca_cannibalize_lock+0x72/0x90 [escache]

[230469.068788] mca_alloc+0x2ae/0x450 [escache]

[230469.080790] bch_btree_node_get+0x136/0x2d0 [escache]

[230469.092681] bch_btree_check

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Frequently asked questions

What is CVE-2023-54293?

CVE-2023-54293 is a known-severity vulnerability. It was published on December 30, 2025.

How severe is CVE-2023-54293?

CVSS score information is not yet available for this vulnerability. Check back as the CVE record is updated by NVD analysts.

How do I fix or remediate CVE-2023-54293?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2023-54293?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2023-54293 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.