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CVE-2023-52604

7.8 · HIGH

In the Linux kernel, the following vulnerability has been resolved: FS:JFS:UBSAN:array-index-out-of-bounds in dbAdjTree Syzkaller reported the following issue: UBSAN: array-index-out-of-bounds i…

Published Mar 6, 2024CWE-129EPSS 0.25%

Overview

CVE-2023-52604 is a high-severity vulnerability. It was published on March 6, 2024 and has a CVSS 3.1 base score of 7.8 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.8, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

Technical description

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

FS:JFS:UBSAN:array-index-out-of-bounds in dbAdjTree

Syzkaller reported the following issue:

UBSAN: array-index-out-of-bounds in fs/jfs/jfs_dmap.c:2867:6

index 196694 is out of range for type 's8[1365]' (aka 'signed char[1365]')

CPU: 1 PID: 109 Comm: jfsCommit Not tainted 6.6.0-rc3-syzkaller #0

Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023

Call Trace:

<TASK>

__dump_stack lib/dump_stack.c:88 [inline]

dump_stack_lvl+0x1e7/0x2d0 lib/dump_stack.c:106

ubsan_epilogue lib/ubsan.c:217 [inline]

__ubsan_handle_out_of_bounds+0x11c/0x150 lib/ubsan.c:348

dbAdjTree+0x474/0x4f0 fs/jfs/jfs_dmap.c:2867

dbJoin+0x210/0x2d0 fs/jfs/jfs_dmap.c:2834

dbFreeBits+0x4eb/0xda0 fs/jfs/jfs_dmap.c:2331

dbFreeDmap fs/jfs/jfs_dmap.c:2080 [inline]

dbFree+0x343/0x650 fs/jfs/jfs_dmap.c:402

txFreeMap+0x798/0xd50 fs/jfs/jfs_txnmgr.c:2534

txUpdateMap+0x342/0x9e0

txLazyCommit fs/jfs/jfs_txnmgr.c:2664

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.

References

Refgit.kernel.org/stable/c/42f433785f108893de0dd5260bafb85d7d51db03Refgit.kernel.org/stable/c/59342822276f753e49d27ef5eebffbba990572b9Refgit.kernel.org/stable/c/6a44065dd604972ec1fbcccbdc4a70d266a89cddRefgit.kernel.org/stable/c/6fe8b702125aeee6ce83f20092a2341446704e7bRefgit.kernel.org/stable/c/9862ec7ac1cbc6eb5ee4a045b5d5b8edbb2f7e68Refgit.kernel.org/stable/c/98f9537fe61b8382b3cc5dd97347531698517c56Refgit.kernel.org/stable/c/de34de6e57bbbc868e4fcf9e98c76b3587cabb0bRefgit.kernel.org/stable/c/e3e95c6850661c77e6dab079d9b5374a618ebb15Refgit.kernel.org/stable/c/42f433785f108893de0dd5260bafb85d7d51db03Refgit.kernel.org/stable/c/59342822276f753e49d27ef5eebffbba990572b9

How CyberStrike helps

Frequently asked questions

What is CVE-2023-52604?

CVE-2023-52604 is a high-severity vulnerability. It was published on March 6, 2024 and has a CVSS 3.1 base score of 7.8 (HIGH).

How severe is CVE-2023-52604?

This vulnerability has a CVSS 3.1 base score of 7.8, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2023-52604?

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-2023-52604?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2023-52604 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.

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