CVE-2024-56719 Vulnerability Analysis & Exploit Details

CVE-2024-56719
Vulnerability Scoring

5.5
/10
Significant Risk

Security assessments indicate that CVE-2024-56719 presents a notable risk, potentially requiring prompt mitigation.

Attack Complexity Details

  • Attack Complexity: Low
    Exploits can be performed without significant complexity or special conditions.
  • Attack Vector: Local
    Vulnerability requires local system access.
  • Privileges Required: Low
    Some privileges are necessary to exploit the vulnerability.
  • Scope: Unchanged
    Exploit remains within the originally vulnerable component.
  • User Interaction: None
    No user interaction is necessary for exploitation.

CVE-2024-56719 Details

Status: Modified

Last updated: 🕗 01 Oct 2025, 20:17 UTC
Originally published on: 🕘 29 Dec 2024, 09:15 UTC

Time between publication and last update: 276 days

CVSS Release: version 3

CVSS3 Source

nvd@nist.gov

CVSS3 Type

Primary

CVSS3 Vector

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

CVE-2024-56719 Vulnerability Summary

CVE-2024-56719: In the Linux kernel, the following vulnerability has been resolved: net: stmmac: fix TSO DMA API usage causing oops Commit 66600fac7a98 ("net: stmmac: TSO: Fix unbalanced DMA map/unmap for non-paged SKB data") moved the assignment of tx_skbuff_dma[]'s members to be later in stmmac_tso_xmit(). The buf (dma cookie) and len stored in this structure are passed to dma_unmap_single() by stmmac_tx_clean(). The DMA API requires that the dma cookie passed to dma_unmap_single() is the same as the value returned from dma_map_single(). However, by moving the assignment later, this is not the case when priv->dma_cap.addr64 > 32 as "des" is offset by proto_hdr_len. This causes problems such as: dwc-eth-dwmac 2490000.ethernet eth0: Tx DMA map failed and with DMA_API_DEBUG enabled: DMA-API: dwc-eth-dwmac 2490000.ethernet: device driver tries to +free DMA memory it has not allocated [device address=0x000000ffffcf65c0] [size=66 bytes] Fix this by maintaining "des" as the original DMA cookie, and use tso_des to pass the offset DMA cookie to stmmac_tso_allocator(). Full details of the crashes can be found at: https://lore.kernel.org/all/d8112193-0386-4e14-b516-37c2d838171a@nvidia.com/ https://lore.kernel.org/all/klkzp5yn5kq5efgtrow6wbvnc46bcqfxs65nz3qy77ujr5turc@bwwhelz2l4dw/

Assessing the Risk of CVE-2024-56719

Access Complexity Graph

The exploitability of CVE-2024-56719 depends on two key factors: attack complexity (the level of effort required to execute an exploit) and privileges required (the access level an attacker needs).

Exploitability Analysis for CVE-2024-56719

CVE-2024-56719 presents an accessible attack vector with minimal effort required. Restricting access controls and implementing security updates are critical to reducing exploitation risks.

Understanding AC and PR

A lower complexity and fewer privilege requirements make exploitation easier. Security teams should evaluate these aspects to determine the urgency of mitigation strategies, such as patch management and access control policies.

Attack Complexity (AC) measures the difficulty in executing an exploit. A high AC means that specific conditions must be met, making an attack more challenging, while a low AC means the vulnerability can be exploited with minimal effort.

Privileges Required (PR) determine the level of system access necessary for an attack. Vulnerabilities requiring no privileges are more accessible to attackers, whereas high privilege requirements limit exploitation to authorized users with elevated access.

CVSS Score Breakdown Chart

Above is the CVSS Sub-score Breakdown for CVE-2024-56719, illustrating how Base, Impact, and Exploitability factors combine to form the overall severity rating. A higher sub-score typically indicates a more severe or easier-to-exploit vulnerability.

CIA Impact Analysis

Below is the Impact Analysis for CVE-2024-56719, showing how Confidentiality, Integrity, and Availability might be affected if the vulnerability is exploited. Higher values usually signal greater potential damage.

  • Confidentiality: None
    CVE-2024-56719 has no significant impact on data confidentiality.
  • Integrity: None
    CVE-2024-56719 poses no threat to data integrity.
  • Availability: High
    CVE-2024-56719 can disrupt system operations, potentially causing complete denial of service (DoS).

Exploit Prediction Scoring System (EPSS)

The EPSS score estimates the probability that this vulnerability will be exploited in the near future.

EPSS Score: 0.042% (probability of exploit)

EPSS Percentile: 5.07% (lower percentile = lower relative risk)
This vulnerability is less risky than approximately 94.93% of others.

CVE-2024-56719 References

External References

CWE Common Weakness Enumeration

NVD-CWE-noinfo

Vulnerable Configurations

  • cpe:2.3:o:linux:linux_kernel:5.15.171:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.15.171:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.15.172:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.15.172:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.15.173:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.15.173:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.15.174:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.15.174:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.15.175:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.15.175:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.15.176:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.15.176:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.15.177:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.15.177:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.15.178:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.15.178:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.15.179:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.15.179:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.15.180:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.15.180:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.15.181:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.15.181:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.15.182:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.15.182:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.15.183:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.15.183:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.15.184:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.15.184:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.15.185:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.15.185:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.15.186:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.15.186:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.15.187:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.15.187:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.15.188:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.15.188:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.15.189:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.15.189:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.15.190:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.15.190:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.15.191:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.15.191:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.15.192:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.15.192:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.15.193:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.15.193:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.1.116:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.1.116:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.1.117:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.1.117:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.1.118:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.1.118:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.1.119:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.1.119:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.1.120:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.1.120:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.1.121:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.1.121:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.1.122:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.1.122:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.1.123:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.1.123:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.1.124:*:*:*:*:*:*:*
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  • cpe:2.3:o:linux:linux_kernel:6.1.125:*:*:*:*:*:*:*
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  • cpe:2.3:o:linux:linux_kernel:6.1.126:*:*:*:*:*:*:*
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  • cpe:2.3:o:linux:linux_kernel:6.1.127:*:*:*:*:*:*:*
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  • cpe:2.3:o:linux:linux_kernel:6.1.128:*:*:*:*:*:*:*
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  • cpe:2.3:o:linux:linux_kernel:6.1.129:*:*:*:*:*:*:*
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  • cpe:2.3:o:linux:linux_kernel:6.1.132:*:*:*:*:*:*:*
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  • cpe:2.3:o:linux:linux_kernel:6.1.133:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.1.133:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.1.134:*:*:*:*:*:*:*
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  • cpe:2.3:o:linux:linux_kernel:6.1.135:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.1.135:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.1.136:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.1.136:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.1.137:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.1.137:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.1.138:*:*:*:*:*:*:*
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  • cpe:2.3:o:linux:linux_kernel:6.1.139:*:*:*:*:*:*:*
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  • cpe:2.3:o:linux:linux_kernel:6.1.140:*:*:*:*:*:*:*
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  • cpe:2.3:o:linux:linux_kernel:6.1.141:*:*:*:*:*:*:*
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  • cpe:2.3:o:linux:linux_kernel:6.1.150:*:*:*:*:*:*:*
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  • cpe:2.3:o:linux:linux_kernel:6.1.152:*:*:*:*:*:*:*
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  • cpe:2.3:o:linux:linux_kernel:6.1.153:*:*:*:*:*:*:*
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  • cpe:2.3:o:linux:linux_kernel:6.1.154:*:*:*:*:*:*:*
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  • cpe:2.3:o:linux:linux_kernel:6.6.60:*:*:*:*:*:*:*
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  • cpe:2.3:o:linux:linux_kernel:6.6.61:*:*:*:*:*:*:*
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  • cpe:2.3:o:linux:linux_kernel:6.6.62:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.6.62:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.6.63:*:*:*:*:*:*:*
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  • cpe:2.3:o:linux:linux_kernel:6.6.64:*:*:*:*:*:*:*
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  • cpe:2.3:o:linux:linux_kernel:6.6.65:*:*:*:*:*:*:*
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  • cpe:2.3:o:linux:linux_kernel:6.6.66:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.6.66:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.6.67:*:*:*:*:*:*:*
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  • cpe:2.3:o:linux:linux_kernel:6.11.7:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.11.7:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.11.8:*:*:*:*:*:*:*
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  • cpe:2.3:o:linux:linux_kernel:6.11.9:*:*:*:*:*:*:*
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  • cpe:2.3:o:linux:linux_kernel:6.11.10:*:*:*:*:*:*:*
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  • cpe:2.3:o:linux:linux_kernel:6.11.11:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.11.11:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.11:rc1:*:*:*:*:*:*
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  • cpe:2.3:o:linux:linux_kernel:6.11:rc2:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.11:rc2:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.11:rc3:*:*:*:*:*:*
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  • cpe:2.3:o:linux:linux_kernel:6.11:rc4:*:*:*:*:*:*
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  • cpe:2.3:o:linux:linux_kernel:6.11:rc5:*:*:*:*:*:*
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  • cpe:2.3:o:linux:linux_kernel:6.11:rc6:*:*:*:*:*:*
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  • cpe:2.3:o:linux:linux_kernel:6.11:rc7:*:*:*:*:*:*
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  • cpe:2.3:o:linux:linux_kernel:6.11:rc8:*:*:*:*:*:*
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  • cpe:2.3:o:linux:linux_kernel:6.12:-:*:*:*:*:*:*
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  • cpe:2.3:o:linux:linux_kernel:6.12.1:*:*:*:*:*:*:*
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  • cpe:2.3:o:linux:linux_kernel:6.12.2:*:*:*:*:*:*:*
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  • cpe:2.3:o:linux:linux_kernel:6.12.3:*:*:*:*:*:*:*
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  • cpe:2.3:o:linux:linux_kernel:6.12.4:*:*:*:*:*:*:*
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  • cpe:2.3:o:linux:linux_kernel:6.12.6:*:*:*:*:*:*:*
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  • cpe:2.3:o:linux:linux_kernel:6.13:rc1:*:*:*:*:*:*
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  • cpe:2.3:o:linux:linux_kernel:6.13:rc2:*:*:*:*:*:*
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