CVE-2024-58075 (GCVE-0-2024-58075)

Vulnerability from cvelistv5 – Published: 2025-03-06 16:04 – Updated: 2026-08-05 11:47
VLAI
Title
crypto: tegra - do not transfer req when tegra init fails
Summary
In the Linux kernel, the following vulnerability has been resolved: crypto: tegra - do not transfer req when tegra init fails The tegra_cmac_init or tegra_sha_init function may return an error when memory is exhausted. It should not transfer the request when they return an error.
Severity
7.8 (High)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Assigner
References
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: 0880bb3b00c855fc244b7177ffdaafef4d0aa1e0 , < 1dbc270f9df7f0ae1e591323431869059cee1b7d (git)
Affected: 0880bb3b00c855fc244b7177ffdaafef4d0aa1e0 , < 5eaa7c916e1ec4b122a1c3a8a20e692d9d9e174e (git)
Affected: 0880bb3b00c855fc244b7177ffdaafef4d0aa1e0 , < 15589bda46830695a3261518bb7627afac61f519 (git)
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Linux Linux Affected: 6.10
Unaffected: 0 , < 6.10 (semver)
Unaffected: 6.12.13 , ≤ 6.12.* (semver)
Unaffected: 6.13.2 , ≤ 6.13.* (semver)
Unaffected: 6.14 , ≤ * (original_commit_for_fix)
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Show details on NVD website
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              "value": "AV:L - The vulnerable `tegra_sha_digest()`/`tegra_cmac_digest()` entry points are reached from local userspace via an AF_ALG hash socket (`crypto/algif_hash.c:137` calls `crypto_ahash_digest()`), requiring local system access rather than network reachability. In-kernel consumers such as IPsec `authenc`/AH also reach `.digest`, but the primary and reliable vector is a local syscall sequence.\nAC:L - The only precondition is a `dma_alloc_coherent()` failure, and an unprivileged attacker can create that condition themselves by exhausting and fragmenting memory while looping `send()` on the AF_ALG socket, so both sides of the condition are under attacker control. The attacker also fully controls the algorithm, buffer length and data that get written through the bad pointer.\nPR:L - AF_ALG socket creation and `hash` binding require no capability, so any unprivileged local user or containerized process can invoke the digest path. No CAP_SYS_ADMIN, root, or namespace trick is needed.\nUI:N - The attacker performs the entire sequence \u2014 socket/bind/accept/send under self-induced memory pressure \u2014 with no action by any other user or administrator.\nS:U - The corruption occurs in kernel memory belonging to the same security authority as the exploiting process; there is no crossing of a VM, hypervisor, or IOMMU boundary. The SE hardware DMA remains behind the SoC\u0027s SMMU.\nC:H - The failed-init paths leave `residue.buf`/`datbuf.buf` as dangling-freed or uninitialized stale heap pointers that are subsequently read (`memcpy(rctx-\u003edatbuf.buf, rctx-\u003eresidue.buf, ...)` in `tegra_*_do_final()`) and used as DMA handles for the security engine, and the resulting digest is returned to userspace. This use-after-free/wild-read gives kernel memory disclosure and is leveragable for broader information leak.\nI:H - `tegra_sha_do_update()`/`tegra_cmac_do_update()` write attacker-supplied message bytes of attacker-chosen length through a freed or stale-heap pointer via `scatterwalk_map_and_copy()`, and `tegra_sha_init()`\u0027s `resbuf_fail` path additionally calls `dma_free_coherent()` on an uninitialized pointer. A groomable UAF/wild-write with controlled contents is an arbitrary-write primitive suitable for control-flow hijack.\nA:H - In the common case `datbuf.buf` or `residue.buf` is NULL and the update/final handlers `memcpy()` through it, producing an immediate kernel oops inside the crypto engine kthread; the wild `dma_free_coherent()` and freed-DMA-buffer writes likewise panic the machine. The condition is repeatable at will by an unprivileged user."
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        "shortName": "Linux"
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      "source": "Red Hat CSAF VEX",
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      "title": "kernel: crypto: tegra - do not transfer req when tegra init fails",
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      "title": "SUSE CVE CVE-2024-58075",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2024-58075.json",
      "version": "21"
    }
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}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • 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.



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