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VulnerabilityPublished Updated

CVE-2026-68128: Linux kernel · ice: reject out-of-range ptype in ice_parser_profile_init

Affects Linux kernelSource CVE Database V5

0

Not known to be exploited · CVSS 8.8 High · fixed in fe2f8d5a77adea38e889fe3d6cde1b76d4a635bf : patch Linux kernel soon.

Data as of 26 Oct 2026, 15:59 UTC

CVSS 3.1 base score
8.8High
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.1% chance of exploitation in 30 days – higher than 3% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CISA SSVC
Exploitation
No evidence of active exploitation and no public proof of concept
Automatable
Attackers cannot reliably automate steps 1–4 of the kill chain
Technical impact
Total control over the software or total information disclosure

CISA SSVC assessment, 2026-10-16.

Patch
Available – fixed in fe2f8d5a77adea38e889fe3d6cde1b76d4a635bf, 59abb87159c53605c063f6e2ceb215b5eba43ee6, 33cc15aaf2491166dddc018b24b3b7db53ec01b2 +1
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 10 Aug 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.

What to do

Upgrade Linux kernel to fe2f8d5a77adea38e889fe3d6cde1b76d4a635bf, 59abb87159c53605c063f6e2ceb215b5eba43ee6, 33cc15aaf2491166dddc018b24b3b7db53ec01b2 or 5e496f2b615cec4b45537cfb5b54f36a51dc8753.

Affected software

ProductAffectedFixed in
LinuxLinuxAffected
  • ≥ e312b3a1e2092f612914dbc4fa5d96b4d8ff94ef, < fe2f8d5a77adea38e889fe3d6cde1b76d4a635bf
Fixed in
  • fe2f8d5a77adea38e889fe3d6cde1b76d4a635bf
LinuxLinuxAffected
  • ≥ e312b3a1e2092f612914dbc4fa5d96b4d8ff94ef, < 59abb87159c53605c063f6e2ceb215b5eba43ee6
Fixed in
  • 59abb87159c53605c063f6e2ceb215b5eba43ee6
LinuxLinuxAffected
  • ≥ e312b3a1e2092f612914dbc4fa5d96b4d8ff94ef, < 33cc15aaf2491166dddc018b24b3b7db53ec01b2
Fixed in
  • 33cc15aaf2491166dddc018b24b3b7db53ec01b2
LinuxLinuxAffected
  • ≥ e312b3a1e2092f612914dbc4fa5d96b4d8ff94ef, < 5e496f2b615cec4b45537cfb5b54f36a51dc8753
Fixed in
  • 5e496f2b615cec4b45537cfb5b54f36a51dc8753
LinuxLinuxAffected
  • =6.12
Fixed in–

Description

In the Linux kernel, the following vulnerability has been resolved: ice: reject out-of-range ptype in ice_parser_profile_init set_bit(rslt->ptype, prof->ptypes) operates on a DECLARE_BITMAP of ICE_FLOW_PTYPE_MAX (1024) bits. Nothing prevents a malicious VF from providing ptype >= 1024 through VIRTCHNL, resulting in a write past the end of the bitmap and a kernel page fault. Reproduced with a custom kernel module injecting a crafted VIRTCHNL_OP_ADD_RSS_CFG on E810-C QSFP (8086:1592), FW 4.91 0x800214af 1.3909.0, ICE COMMS DDP 1.3.53.0, kernel 7.1.0-rc1. crash_parser: ice_parser_profile_init @ ffffffffc0d61b60 crash_parser: setting ptype=0xffff (max valid=1023) crash_parser: calling ice_parser_profile_init -- expect OOB crash! BUG: kernel NULL pointer dereference, address: 0000000000000000 Oops: Oops: 0002 [#1] SMP NOPTI CPU: 56 UID: 0 PID: 165011 Comm: insmod Kdump: loaded Tainted: G S U OE 7.1.0-rc1 #1 Hardware name: Intel Corporation S2600BPB/S2600BPB RIP: 0010:ice_parser_profile_init+0x2d/0x1d0 [ice] Call Trace: <TASK> ? __pfx_ice_parser_profile_init+0x10/0x10 [ice] crash_init+0x127/0xff0 [crash_parser] do_one_initcall+0x45/0x310 do_init_module+0x64/0x270 init_module_from_file+0xcc/0xf0 idempotent_init_module+0x17b/0x280 __x64_sys_finit_module+0x6e/0xe0 Bail out early with -EINVAL when ptype is out of range.

References

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