f2fs: explicitly null-terminate the xattr list
Priority LOW 34Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA.
Summary
In the Linux kernel, the following vulnerability has been resolved: f2fs: explicitly null-terminate the xattr list When setting an xattr, explicitly null-terminate the xattr list. This eliminates the fragile assumption that the unused xattr space is always zeroed.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00302 23rd percentileScored 2026-11-07
Fix Fixed Linux (Linux): 4.19.306, 5.4.268, 5.10.209 +5
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Linux | Linux | 3.8 and later | 4.19.306, 5.4.268, 5.10.209, 5.15.148, 6.1.74, 6.6.13, 6.7.1, 6.8 | Patch available | CNA |
- Linux VendorLinux Affected 3.8 and later Fixed in 4.19.306, 5.4.268, 5.10.209, 5.15.148, 6.1.74, 6.6.13, 6.7.1, 6.8 Patch available CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | before 4.19.306; 4.20.0 to before 5.4.268; 5.5.0 to before 5.10.209; 5.11.0 to before 5.15.148; 5.16.0 to before 6.1.74; 6.2.0 to before 6.6.13; 6.7.0 to before 6.7.1 | Vulnerable | Linux |
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* Versions before 4.19.306; 4.20.0 to before 5.4.268; 5.5.0 to before 5.10.209; 5.11.0 to before 5.15.148; 5.16.0 to before 6.1.74; 6.2.0 to before 6.6.13; 6.7.0 to before 6.7.1 Vulnerable ·Linux
Remediation
- Fix · CNA Linux (Linux) Fixed in 4.19.306, 5.4.268, 5.10.209, 5.15.148, 6.1.74, 6.6.13, 6.7.1, 6.8
Vendor assessments
Red Hat
Red Hat rating: Low. Red Hat's page for this CVE →
Not affected: 4 products
- Red Hat Enterprise Linux 6
- Red Hat Enterprise Linux 7
- Red Hat Enterprise Linux 8
- Red Hat Enterprise Linux 9
Timeline
- 2026-10-02 Threatist record created from CVE-2023-52436
- 2026-10-03 Alias added: GHSA-74mg-f7w3-pcrr
References
Patch 8
- https://git.kernel.org/stable/c/16ae3132ff7746894894927c1892493693b89135
- https://git.kernel.org/stable/c/12cf91e23b126718a96b914f949f2cdfeadc7b2a
- https://git.kernel.org/stable/c/3e47740091b05ac8d7836a33afd8646b6863ca52
- https://git.kernel.org/stable/c/32a6cfc67675ee96fe107aeed5af9776fec63f11
- https://git.kernel.org/stable/c/5de9e9dd1828db9b8b962f7ca42548bd596deb8a
- https://git.kernel.org/stable/c/2525d1ba225b5c167162fa344013c408e8b4de36
- https://git.kernel.org/stable/c/f6c30bfe5a49bc38cae985083a11016800708fea
- https://git.kernel.org/stable/c/e26b6d39270f5eab0087453d9b544189a38c8564
More Linux Kernel vulnerabilities
- TI-2025-26358 tls: fix handling of zero-length records on the rx_list KEVCVSS 3.1CRITICAL 9.8
- TI-2026-38352 netfilter: bridge: make ebt_snat ARP rewrite writable KEVCVSS 3.1HIGH 8.8
- TI-2013-05264 The (1) get_user and (2) put_user API functions in the Linux kernel before 3.5.5 on the… KEVCVSS 3.1HIGH 8.8
- TI-2022-00125 Integer overflow in kernel KEVCVSS 3.1HIGH 8.4
- TI-2013-01864 The perf_swevent_init function in kernel/events/core.c in the Linux kernel before 3.8.9… KEVCVSS 3.1HIGH 8.4
- TI-2021-05514 Heap Out-Of-Bounds Write in Netfilter IP6T_SO_SET_REPLACE KEVCVSS 3.1HIGH 8.3
Sources
- CVE-2023-52436 · CVE Program
- CVE-2023-52436 · NVD
- FIRST EPSS
- GHSA-74mg-f7w3-pcrr · GitHub Advisory Database · CC BY 4.0
- CVE-2023-52436 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences