CVE-2023-52454 (GCVE-0-2023-52454)

Vulnerability from cvelistv5 – Published: 2024-02-23 14:46 – Updated: 2025-05-04 07:36
VLAI?
Title
nvmet-tcp: Fix a kernel panic when host sends an invalid H2C PDU length
Summary
In the Linux kernel, the following vulnerability has been resolved: nvmet-tcp: Fix a kernel panic when host sends an invalid H2C PDU length If the host sends an H2CData command with an invalid DATAL, the kernel may crash in nvmet_tcp_build_pdu_iovec(). Unable to handle kernel NULL pointer dereference at virtual address 0000000000000000 lr : nvmet_tcp_io_work+0x6ac/0x718 [nvmet_tcp] Call trace: process_one_work+0x174/0x3c8 worker_thread+0x2d0/0x3e8 kthread+0x104/0x110 Fix the bug by raising a fatal error if DATAL isn't coherent with the packet size. Also, the PDU length should never exceed the MAXH2CDATA parameter which has been communicated to the host in nvmet_tcp_handle_icreq().
Severity ?
No CVSS data available.
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: 872d26a391da92ed8f0c0f5cb5fef428067b7f30 , < ee5e7632e981673f42a50ade25e71e612e543d9d (git)
Affected: 872d26a391da92ed8f0c0f5cb5fef428067b7f30 , < f775f2621c2ac5cc3a0b3a64665dad4fb146e510 (git)
Affected: 872d26a391da92ed8f0c0f5cb5fef428067b7f30 , < 4cb3cf7177ae3666be7fb27d4ad4d72a295fb02d (git)
Affected: 872d26a391da92ed8f0c0f5cb5fef428067b7f30 , < 2871aa407007f6f531fae181ad252486e022df42 (git)
Affected: 872d26a391da92ed8f0c0f5cb5fef428067b7f30 , < 24e05760186dc070d3db190ca61efdbce23afc88 (git)
Affected: 872d26a391da92ed8f0c0f5cb5fef428067b7f30 , < 70154e8d015c9b4fb56c1a2ef1fc8b83d45c7f68 (git)
Affected: 872d26a391da92ed8f0c0f5cb5fef428067b7f30 , < efa56305908ba20de2104f1b8508c6a7401833be (git)
Create a notification for this product.
    Linux Linux Affected: 5.0
Unaffected: 0 , < 5.0 (semver)
Unaffected: 5.4.268 , ≤ 5.4.* (semver)
Unaffected: 5.10.209 , ≤ 5.10.* (semver)
Unaffected: 5.15.148 , ≤ 5.15.* (semver)
Unaffected: 6.1.75 , ≤ 6.1.* (semver)
Unaffected: 6.6.14 , ≤ 6.6.* (semver)
Unaffected: 6.7.2 , ≤ 6.7.* (semver)
Unaffected: 6.8 , ≤ * (original_commit_for_fix)
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  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.