8.8

CVE-2026-72233: batman-adv: bla: reacquire gw address after skb realloc

Received
AliasesUBUNTU-CVE-2026-72233DEBIAN-CVE-2026-72233
Published 15-08-2026Last modified 16-10-2026

Vulnerability summary

CVE-2026-72233 is a high (CVSS 8.8) vulnerability in linux. EPSS estimates a 0.34% chance of exploitation in the next 30 days, higher than 28% of scored vulnerabilities.

Priority
Routine

Not severe (CVSS 8.8, adjacent network); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
8.8/10
010
High · v3.1 (CVE.org)
EPSS score
0.34%
0%100%
Low · -0.06 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 17 · Related 16
SUSE-SU-2026:5091-1USN-8875-1USN-8875-2USN-8876-1USN-8877-1USN-8878-1

Timeline

  1. 15-08-2026
    PublishedVulnerability first disclosed.
  2. 16-10-2026
    Last modifiedVulnerability information updated.

Description

In the Linux kernel, the following vulnerability has been resolved: batman-adv: bla: reacquire gw address after skb realloc The pskb_may_pull() called by batadv_bla_is_backbone_gw() could reallocate the buffer behind the skb. Variables which were pointing to the old buffer need to be reassigned to avoid an use-after-free.

CVSS metrics

4 scores · 4 sources · 1 version

EPSS trend

Probability

0.34%

Chance of exploitation in the next 30 days

Percentile

28%

Versus all other CVEs

30-day change

Decrease -0.06 pp

From 0.40% on 06-10-2026

06-10-202605-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

No weakness data has been published for this record.

Affected systems

Version check

Known conditions: adjacent network, no authentication, no user interaction (CVSS vector). Other conditions: not stated in public data.

Ubuntu168 products
  • linuxAll versions (No fix recorded) | < 5.15.0-198.208 | < 6.8.0-147.147 | < 7.0.0-38.38
  • linux-allwinner-5.19All versions (No fix recorded)
  • linux-awsAll versions (No fix recorded) | < 5.15.0-1117.124 | < 6.8.0-1067.70 | < 7.0.0-1014.14
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
Debian1 product
  • linux< 6.1.180-1 | < 6.12.100-1 | < 7.1.5-1
Linux1 product
  • linux≥ 9e794b6bf4a2c65d698d7433ddfabc54a5d53a88, < 41819c5467b6eb8ab4567f0ac98702ce9b6abbb1 | ≥ 9e794b6bf4a2c65d698d7433ddfabc54a5d53a88, < a9ab19fbca86b32e9a9ae9e1a63e70a7eab3400f | ≥ 9e794b6bf4a2c65d698d7433ddfabc54a5d53a88, < 4a6673c55752a7aa41e28f51660eb981504ca088 | ≥ 9e794b6bf4a2c65d698d7433ddfabc54a5d53a88, < ab2bac47a02637df1128a151e81d3ec14767f4bb | ≥ 9e794b6bf4a2c65d698d7433ddfabc54a5d53a88, < dc16bbf53cede1baf564bf0c8a861114b64e18b3 | ≥ 9e794b6bf4a2c65d698d7433ddfabc54a5d53a88, < e5e18886aadd3870e2d84e32a9678317fab1dd9e | ≥ 9e794b6bf4a2c65d698d7433ddfabc54a5d53a88, < f4fb97ecf677cd9c3aa4f3bfc6fbf5b0e4bdbbbf | ≥ 9e794b6bf4a2c65d698d7433ddfabc54a5d53a88, < cdf3b5af2bc4431e58629e8ad2086b1e9185c761 | 4.12

3 vendors · 170 products

References

28 links
Show all 28 references