Critical severity · published Aug 15, 2026
CVE-2026-74280
crypto: marvell/octeontx - fix DMA cleanup using wrong loop index
10.0
CVSS
0.8%
EPSS
No
On KEV
Description
In the Linux kernel, the following vulnerability has been resolved:
crypto: marvell/octeontx - fix DMA cleanup using wrong loop index
The sg_cleanup path used list[i] instead of list[j] when unmapping DMA
buffers, leaking successfully mapped entries and repeatedly unmapping
the failed one.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.8% · higher than 55% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
LI
Linux · Linux
10b4f09491bfeb0b298cb2f49df585510ee6189a before 97f150ba3e372256eabb93bd80c2cf3740077fb5; 10b4f09491bfeb0b298cb2f49df585510ee6189a before 8a0db9fad3c97e6447a92417cb95d7c55eaa9530; 10b4f09491bfeb0b298cb2f49df585510ee6189a before 8d301e5a51173ba56ce4f632a2a33bf6b14b0fcf; 10b4f09491bfeb0b298cb2f49df585510ee6189a before ed374dbc70c10c4a864414b3d9c257faec8fd485; 10b4f09491bfeb0b298cb2f49df585510ee6189a before 6c721a3e43344f8560ee4ef506fc1f72b4646dcd; 10b4f09491bfeb0b298cb2f49df585510ee6189a before 5f99a396f706afc749448659d1565991330e4f71; +3 more · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-74280
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-74280
git.kernel.org
https://git.kernel.org/stable/c/5f99a396f706afc749448659d1565991330e4f71
git.kernel.org
https://git.kernel.org/stable/c/6c721a3e43344f8560ee4ef506fc1f72b4646dcd
git.kernel.org
https://git.kernel.org/stable/c/7891c64c0520519782470ba29bac8a5761e295d8
git.kernel.org
https://git.kernel.org/stable/c/8a0db9fad3c97e6447a92417cb95d7c55eaa9530
git.kernel.org
https://git.kernel.org/stable/c/8d301e5a51173ba56ce4f632a2a33bf6b14b0fcf
git.kernel.org
https://git.kernel.org/stable/c/97f150ba3e372256eabb93bd80c2cf3740077fb5
More from Linux
9.8
CVE-2025-39682
tls: fix handling of zero-length records on the rx_list
8.8
CVE-2026-53266
netfilter: bridge: make ebt_snat ARP rewrite writable
7.8
CVE-2026-53362
ipv6: account for fraggap on the paged allocation path
7.8
CVE-2026-31431
crypto: algif_aead - Revert to operating out-of-place
7.8
CVE-2025-38352
posix-cpu-timers: fix race between handle_posix_cpu_timers() and posix_cpu_timer_del()