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CVE-2024-26994— speakup: Avoid crash on very long word

Quick assessment

Affected
Linux Linux
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Linux kernel是美国Linux基金会的开源操作系统Linux所使用的内核。 Linux kernel存在安全漏洞，该漏洞源于缓冲区的过长字符存在安全漏洞。

CVSS 7.8 · High EPSS 0.29% · P21

Possible ATT&CK Techniques 1 AI

T1498 · Network Denial of Service

Affected Version Matrix 18

VendorProduct Version RangeStatus
Linux Linux c6e3fd22cd538365bfeb82997d5b89562e077d42< 756c5cb7c09e537b87b5d3acafcb101b2ccf394f affected
c6e3fd22cd538365bfeb82997d5b89562e077d42< 8f6b62125befe1675446923e4171eac2c012959c affected
c6e3fd22cd538365bfeb82997d5b89562e077d42< 6401038acfa24cba9c28cce410b7505efadd0222 affected
c6e3fd22cd538365bfeb82997d5b89562e077d42< 0d130158db29f5e0b3893154908cf618896450a8 affected
c6e3fd22cd538365bfeb82997d5b89562e077d42< 89af25bd4b4bf6a71295f07e07a8ae7dc03c6595 affected
c6e3fd22cd538365bfeb82997d5b89562e077d42< 8defb1d22ba0395b81feb963b96e252b097ba76f affected
c6e3fd22cd538365bfeb82997d5b89562e077d42< 0efb15c14c493263cb3a5f65f5ddfd4603d19a76 affected
c6e3fd22cd538365bfeb82997d5b89562e077d42< c8d2f34ea96ea3bce6ba2535f867f0d4ee3b22e1 affected
… +10 more rows
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I. Basic Information for CVE-2024-26994

Vulnerability Information
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Vulnerability Title
speakup: Avoid crash on very long word
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: speakup: Avoid crash on very long word In case a console is set up really large and contains a really long word (> 256 characters), we have to stop before the length of the word buffer.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Linux kernel 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Linux kernel是美国Linux基金会的开源操作系统Linux所使用的内核。 Linux kernel存在安全漏洞，该漏洞源于缓冲区的过长字符存在安全漏洞。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Linux Linux c6e3fd22cd538365bfeb82997d5b89562e077d42 ~ 756c5cb7c09e537b87b5d3acafcb101b2ccf394f -
Linux Linux 2.6.37 -

II. Public POCs for CVE-2024-26994

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III. Intelligence Information for CVE-2024-26994

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Patches & Fixes for CVE-2024-26994 (1)

Mailing List Discussions for CVE-2024-26994 (2)

Other References for CVE-2024-26994 (7)

Same Patch Batch · Linux · 2024-05-01 · 159 CVEs total

CVE-2024-27388 9.8 CRITICAL SUNRPC: fix some memleaks in gssx_dec_option_array
CVE-2024-26953 9.8 CRITICAL net: esp: fix bad handling of pages from page_pool
CVE-2024-26931 8.8 HIGH scsi: qla2xxx: Fix command flush on cable pull
CVE-2024-26990 8.8 HIGH KVM: x86/mmu: Write-protect L2 SPTEs in TDP MMU when clearing dirty status
CVE-2024-27053 8.8 HIGH wifi: wilc1000: fix RCU usage in connect path
CVE-2024-26952 8.3 HIGH ksmbd: fix potencial out-of-bounds when buffer offset is invalid
CVE-2024-27018 8.2 HIGH netfilter: br_netfilter: skip conntrack input hook for promisc packets
CVE-2024-26936 8.2 HIGH ksmbd: validate request buffer size in smb2_allocate_rsp_buf()
CVE-2024-26980 8.2 HIGH ksmbd: fix slab-out-of-bounds in smb2_allocate_rsp_buf
CVE-2024-26954 8.1 HIGH ksmbd: fix slab-out-of-bounds in smb_strndup_from_utf16()
CVE-2024-27052 7.8 HIGH wifi: rtl8xxxu: add cancel_work_sync() for c2hcmd_work
CVE-2024-26966 7.8 HIGH clk: qcom: mmcc-apq8084: fix terminating of frequency table arrays
CVE-2024-26974 7.8 HIGH crypto: qat - resolve race condition during AER recovery
CVE-2024-26976 7.8 HIGH KVM: Always flush async #PF workqueue when vCPU is being destroyed
CVE-2024-27062 7.8 HIGH nouveau: lock the client object tree.
CVE-2024-27061 7.8 HIGH crypto: sun8i-ce - Fix use after free in unprepare
CVE-2024-26983 7.8 HIGH bootconfig: use memblock_free_late to free xbc memory to buddy
CVE-2024-27058 7.8 HIGH tmpfs: fix race on handling dquot rbtree
CVE-2024-27056 7.8 HIGH wifi: iwlwifi: mvm: ensure offloading TID queue exists
CVE-2024-27017 7.8 HIGH netfilter: nft_set_pipapo: walk over current view on netlink dump

Showing top 20 of 159 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2024-26994

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