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CVE-2024-58017printk: Fix signed integer overflow when defining LOG_BUF_LEN_MAX

Description

In the Linux kernel, the following vulnerability has been resolved: printk: Fix signed integer overflow when defining LOG_BUF_LEN_MAX Shifting 1 << 31 on a 32-bit int causes signed integer overflow, which leads to undefined behavior. To prevent this, cast 1 to u32 before performing the shift, ensuring well-defined behavior. This change explicitly avoids any potential overflow by ensuring that the shift occurs on an unsigned 32-bit integer.

Timeline

  1. ID reserved

    By Linux

  2. Published

  3. · 21 months later

    Record updated

Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.

Scores

CVSS scores of CVE-2024-58017, by who scored it
Scored byCVSSScoreVector
NVDNVD · Modified3.1Medium5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
EPSS (exploitation in 30 days)
0.25% · top 83% of all CVEs (14 Nov 2026)
CISA SSVC
Exploitation: none · Automatable: no · Technical impact: partial
Loading the EPSS history…

The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.5.

Affected products

  • Linux · Linux

    • affected e6fe3e5b7d16e8f146a4ae7fe481bc6e97acde1e – < 54c14022fa2ba427dc543455c2cf9225903a7174
    • affected e6fe3e5b7d16e8f146a4ae7fe481bc6e97acde1e – < dfb7b179741ee09506dc7719d92f9e1cea01f10e
    • affected e6fe3e5b7d16e8f146a4ae7fe481bc6e97acde1e – < bb8ff054e19fe27f4e5eaac1b05e462894cfe9b1
    • affected e6fe3e5b7d16e8f146a4ae7fe481bc6e97acde1e – < 9a6d43844de2479a3ff8d674c3e2a16172e01598
    • affected e6fe3e5b7d16e8f146a4ae7fe481bc6e97acde1e – < 4acf6bab775dbd22a9a799030a808a7305e01d63
    • affected e6fe3e5b7d16e8f146a4ae7fe481bc6e97acde1e – < 404e5fd918a0b14abec06c7eca128f04c9b98e41
    • affected e6fe3e5b7d16e8f146a4ae7fe481bc6e97acde1e – < 4a2c4e7265b8eed83c25d86d702cea06493cab18
    • affected e6fe3e5b7d16e8f146a4ae7fe481bc6e97acde1e – < 3d6f83df8ff2d5de84b50377e4f0d45e25311c7a
    • affected 55b2c1ccb82143be1ed9e1922976dbe63917fe68
    • affected 089d475a4cdb5848998b3cb37e545413ed054784
    • affected 695583334b6b7f82c39ee124edfbfa48145ed571
    • affected 3404019d6d0f4c0108b77d44e97e2e39ca937e6f
    • affected 4.4.203 – < 4.5
    • affected 4.9.203 – < 4.10
    • affected 4.14.156 – < 4.15
    • affected 4.19.86 – < 4.20

  • Linux · Linux

    • affected 4.20
    • unaffected < 4.20
    • unaffected 5.4.291 – ≤ 5.4.*
    • unaffected 5.10.235 – ≤ 5.10.*
    • unaffected 5.15.179 – ≤ 5.15.*
    • unaffected 6.1.129 – ≤ 6.1.*
    • unaffected 6.6.78 – ≤ 6.6.*
    • unaffected 6.12.14 – ≤ 6.12.*
    • unaffected 6.13.3 – ≤ 6.13.*
    • unaffected 6.14 – ≤ *

References

References12

Sources

The same CVE in the primary databases and aggregators, to check against.

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Record last updated .