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CVE-2024-35925— block: prevent division by zero in blk_rq_stat_sum()

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，该漏洞源于表达式 dst->nr_samples + src->nr_samples 在溢出时可能具有零值。

AI Predicted 5.5 Difficulty: Easy EPSS 0.23% · P13

Possible ATT&CK Techniques 1 AI

T1068 · Exploitation for Privilege Escalation

Affected Version Matrix 18

VendorProduct Version RangeStatus
Linux Linux eca8b53a6769e60d6d8240d71202d73b0af81901< 6a55dab4ac956deb23690eedd74e70b892a378e7 affected
eca8b53a6769e60d6d8240d71202d73b0af81901< edd073c78d2bf48c5b8bf435bbc3d61d6e7c6c14 affected
eca8b53a6769e60d6d8240d71202d73b0af81901< b0cb5564c3e8e0ee0a2d28c86fa7f02e82d64c3c affected
eca8b53a6769e60d6d8240d71202d73b0af81901< 21e7d72d0cfcbae6042d498ea2e6f395311767f8 affected
eca8b53a6769e60d6d8240d71202d73b0af81901< 512a01da7134bac8f8b373506011e8aaa3283854 affected
eca8b53a6769e60d6d8240d71202d73b0af81901< 5f7fd6aa4c4877d77133ea86c14cf256f390b2fe affected
eca8b53a6769e60d6d8240d71202d73b0af81901< 98ddf2604ade2d954bf5ec193600d5274a43fd68 affected
eca8b53a6769e60d6d8240d71202d73b0af81901< 93f52fbeaf4b676b21acfe42a5152620e6770d02 affected
… +10 more rows
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I. Basic Information for CVE-2024-35925

Vulnerability Information
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Vulnerability Title
block: prevent division by zero in blk_rq_stat_sum()
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: block: prevent division by zero in blk_rq_stat_sum() The expression dst->nr_samples + src->nr_samples may have zero value on overflow. It is necessary to add a check to avoid division by zero. Found by Linux Verification Center (linuxtesting.org) with Svace.
Source: CVE Program / CVE List V5
CVSS Information
N/A
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，该漏洞源于表达式 dst->nr_samples + src->nr_samples 在溢出时可能具有零值。
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 eca8b53a6769e60d6d8240d71202d73b0af81901 ~ 6a55dab4ac956deb23690eedd74e70b892a378e7 -
Linux Linux 4.15 -

II. Public POCs for CVE-2024-35925

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III. Intelligence Information for CVE-2024-35925

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Mailing List Discussions for CVE-2024-35925 (2)

Other References for CVE-2024-35925 (8)

Same Patch Batch · Linux · 2024-05-19 · 82 CVEs total

CVE-2024-35861 9.8 CRITICAL smb: client: fix potential UAF in cifs_signal_cifsd_for_reconnect()
CVE-2024-35862 9.8 CRITICAL smb: client: fix potential UAF in smb2_is_network_name_deleted()
CVE-2024-35863 9.8 CRITICAL smb: client: fix potential UAF in is_valid_oplock_break()
CVE-2024-35864 9.8 CRITICAL smb: client: fix potential UAF in smb2_is_valid_lease_break()
CVE-2024-35865 9.8 CRITICAL smb: client: fix potential UAF in smb2_is_valid_oplock_break()
CVE-2024-35884 9.8 CRITICAL udp: do not accept non-tunnel GSO skbs landing in a tunnel
CVE-2024-35870 9.8 CRITICAL smb: client: fix UAF in smb2_reconnect_server()
CVE-2024-35869 9.8 CRITICAL smb: client: guarantee refcounted children from parent session
CVE-2024-35939 9.3 CRITICAL dma-direct: Leak pages on dma_set_decrypted() failure
CVE-2024-35887 8.8 HIGH ax25: fix use-after-free bugs caused by ax25_ds_del_timer
CVE-2024-35915 8.8 HIGH nfc: nci: Fix uninit-value in nci_dev_up and nci_ntf_packet
CVE-2024-35889 8.6 HIGH idpf: fix kernel panic on unknown packet types
CVE-2024-35875 8.4 HIGH x86/coco: Require seeding RNG with RDRAND on CoCo systems
CVE-2024-35937 8.1 HIGH wifi: cfg80211: check A-MSDU format more carefully
CVE-2024-35921 7.8 HIGH media: mediatek: vcodec: Fix oops when HEVC init fails
CVE-2024-35905 7.8 HIGH bpf: Protect against int overflow for stack access size
CVE-2024-35890 7.8 HIGH gro: fix ownership transfer
CVE-2024-35920 7.8 HIGH media: mediatek: vcodec: adding lock to protect decoder context list
CVE-2024-35919 7.8 HIGH media: mediatek: vcodec: adding lock to protect encoder context list
CVE-2024-35897 7.8 HIGH netfilter: nf_tables: discard table flag update with pending basechain deletion

Showing top 20 of 82 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2024-35925

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