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TI-2025-15737 Aliases CVE-2025-21785GHSA-xqw5-f5f6-22vf

arm64: cacheinfo: Avoid out-of-bounds write to cacheinfo array

Priority LOW 36CWE-787Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
Partial Red Hat: 39 fixed, 1 without a fix

Attack profile from CVSS 3.1 · CNA. Fix status from CNA and Red Hat. Impact type from CWE-787 and the CVSS impact.

Summary

In the Linux kernel, the following vulnerability has been resolved: arm64: cacheinfo: Avoid out-of-bounds write to cacheinfo array The loop that detects/populates cache information already has a bounds check on the array size but does not account for cache levels with separate data/instructions cache. Fix this by incrementing the index for any populated leaf (instead of any populated level).

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00273 19th percentileScored 2026-11-07
Fix Partial Linux (Linux): 5.4.291, 5.10.235, 5.15.179 +5Red Hat: 14 advisoriesRed Hat: 39 fixed, 1 without a fix

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
LinuxLinux4.0 and later5.4.291, 5.10.235, 5.15.179, 6.1.129, 6.6.79, 6.12.16, 6.13.4, 6.14Patch availableCNA
  • Linux VendorLinux Affected 4.0 and later Fixed in 5.4.291, 5.10.235, 5.15.179, 6.1.129, 6.6.79, 6.12.16, 6.13.4, 6.14 Patch available CNA

CPE configurations NVD · 3

CPEVersionsRoleVendor
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*4.0 to before 6.1.129; 6.2 to before 6.6.79; 6.7 to before 6.12.16; 6.13 to before 6.13.4VulnerableLinux
cpe:2.3:o:linux:linux_kernel:6.14:rc1:*:*:*:*:*:*6.14 rc1VulnerableLinux
cpe:2.3:o:linux:linux_kernel:6.14:rc2:*:*:*:*:*:*6.14 rc2VulnerableLinux
  • cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* Versions 4.0 to before 6.1.129; 6.2 to before 6.6.79; 6.7 to before 6.12.16; 6.13 to before 6.13.4 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:6.14:rc1:*:*:*:*:*:* Versions 6.14 rc1 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:6.14:rc2:*:*:*:*:*:* Versions 6.14 rc2 Vulnerable ·Linux

Remediation

  • Fix · CNA Linux (Linux) Fixed in 5.4.291, 5.10.235, 5.15.179, 6.1.129, 6.6.79, 6.12.16, 6.13.4, 6.14

Red Hat 14 advisories

  • RHSA-2025:20095 Released 2025-11-11 · Red Hat rating Moderate
    kernel security update
    • Red Hat Enterprise Linux AppStream (v. 10) kernel-64k-debug-devel-6.12.0-124.8.1.el10_1, kernel-64k-debug-devel-matched-6.12.0-124.8.1.el10_1, kernel-64k-devel-6.12.0-124.8.1.el10_1 +12
    • Red Hat Enterprise Linux BaseOS (v. 10) kernel-6.12.0-124.8.1.el10_1, kernel-64k-6.12.0-124.8.1.el10_1, kernel-64k-core-6.12.0-124.8.1.el10_1 +29
    • Red Hat Enterprise Linux CodeReady Linux Builder (v. 10) kernel-tools-libs-devel-6.12.0-124.8.1.el10_1, libperf-6.12.0-124.8.1.el10_1
    • Red Hat Enterprise Linux Real Time (v. 10) kernel-rt-6.12.0-124.8.1.el10_1, kernel-rt-64k-6.12.0-124.8.1.el10_1, kernel-rt-64k-core-6.12.0-124.8.1.el10_1 +21
    • Red Hat Enterprise Linux Real Time for NFV (v. 10) kernel-rt-6.12.0-124.8.1.el10_1, kernel-rt-core-6.12.0-124.8.1.el10_1, kernel-rt-debug-6.12.0-124.8.1.el10_1 +9
  • RHSA-2025:3260 Released 2025-03-26 · Red Hat rating Important
    kernel security update
    • Red Hat Enterprise Linux BaseOS (v. 8) bpftool-4.18.0-553.46.1.el8_10, kernel-4.18.0-553.46.1.el8_10, kernel-abi-stablelists-4.18.0-553.46.1.el8_10 +19
    • Red Hat Enterprise Linux CRB (v. 8) kernel-tools-libs-devel-4.18.0-553.46.1.el8_10
  • RHSA-2025:3264 Released 2025-03-26 · Red Hat rating Important
    kernel-rt security update
    • Red Hat Enterprise Linux NFV (v. 8) kernel-rt-4.18.0-553.46.1.rt7.387.el8_10, kernel-rt-core-4.18.0-553.46.1.rt7.387.el8_10, kernel-rt-debug-4.18.0-553.46.1.rt7.387.el8_10 +9
    • Red Hat Enterprise Linux RT (v. 8) kernel-rt-4.18.0-553.46.1.rt7.387.el8_10, kernel-rt-core-4.18.0-553.46.1.rt7.387.el8_10, kernel-rt-debug-4.18.0-553.46.1.rt7.387.el8_10 +7
Show 11 more Red Hat advisories
  • RHSA-2025:3215 Released 2025-03-26 · Red Hat rating Important
    kernel security update
    • Red Hat CodeReady Linux Builder EUS (v.9.4) kernel-tools-libs-devel-5.14.0-427.61.1.el9_4, libperf-5.14.0-427.61.1.el9_4
    • Red Hat Enterprise Linux AppStream EUS (v.9.4) kernel-64k-debug-devel-5.14.0-427.61.1.el9_4, kernel-64k-debug-devel-matched-5.14.0-427.61.1.el9_4, kernel-64k-devel-5.14.0-427.61.1.el9_4 +11
    • Red Hat Enterprise Linux BaseOS EUS (v.9.4) bpftool-7.3.0-427.61.1.el9_4, kernel-5.14.0-427.61.1.el9_4, kernel-64k-5.14.0-427.61.1.el9_4 +29
    • Red Hat Enterprise Linux Real Time EUS (v.9.4) kernel-rt-5.14.0-427.61.1.el9_4, kernel-rt-core-5.14.0-427.61.1.el9_4, kernel-rt-debug-5.14.0-427.61.1.el9_4 +9
    • Red Hat Enterprise Linux Real Time for NFV EUS (v.9.4) kernel-rt-5.14.0-427.61.1.el9_4, kernel-rt-core-5.14.0-427.61.1.el9_4, kernel-rt-debug-5.14.0-427.61.1.el9_4 +11
  • RHSA-2025:3208 Released 2025-03-26 · Red Hat rating Important
    kernel security update
    • Red Hat CodeReady Linux Builder (v. 9) kernel-tools-libs-devel-5.14.0-503.34.1.el9_5, libperf-5.14.0-503.34.1.el9_5
    • Red Hat Enterprise Linux AppStream (v. 9) kernel-64k-debug-devel-5.14.0-503.34.1.el9_5, kernel-64k-debug-devel-matched-5.14.0-503.34.1.el9_5, kernel-64k-devel-5.14.0-503.34.1.el9_5 +11
    • Red Hat Enterprise Linux BaseOS (v. 9) bpftool-7.4.0-503.34.1.el9_5, kernel-5.14.0-503.34.1.el9_5, kernel-64k-5.14.0-503.34.1.el9_5 +30
    • Red Hat Enterprise Linux Real Time (v. 9) kernel-rt-5.14.0-503.34.1.el9_5, kernel-rt-core-5.14.0-503.34.1.el9_5, kernel-rt-debug-5.14.0-503.34.1.el9_5 +9
    • Red Hat Enterprise Linux Real Time for NFV (v. 9) kernel-rt-5.14.0-503.34.1.el9_5, kernel-rt-core-5.14.0-503.34.1.el9_5, kernel-rt-debug-5.14.0-503.34.1.el9_5 +11
  • RHSA-2025:3216 Released 2025-03-26 · Red Hat rating Important
    kernel security update
    • Red Hat CodeReady Linux Builder EUS (v.8.8) kernel-tools-libs-devel-4.18.0-477.94.1.el8_8
    • Red Hat Enterprise Linux BaseOS EUS (v.8.8) bpftool-4.18.0-477.94.1.el8_8, kernel-4.18.0-477.94.1.el8_8, kernel-abi-stablelists-4.18.0-477.94.1.el8_8 +19
  • RHSA-2025:3212 Released 2025-03-26 · Red Hat rating Important
    kernel security update
    • Red Hat CodeReady Linux Builder EUS (v.9.2) kernel-tools-libs-devel-5.14.0-284.110.1.el9_2
    • Red Hat Enterprise Linux AppStream EUS (v.9.2) kernel-64k-debug-devel-5.14.0-284.110.1.el9_2, kernel-64k-debug-devel-matched-5.14.0-284.110.1.el9_2, kernel-64k-devel-5.14.0-284.110.1.el9_2 +10
    • Red Hat Enterprise Linux BaseOS EUS (v.9.2) bpftool-7.0.0-284.110.1.el9_2, kernel-5.14.0-284.110.1.el9_2, kernel-64k-5.14.0-284.110.1.el9_2 +29
  • RHSA-2025:3213 Released 2025-03-26 · Red Hat rating Important
    kernel security update
    • Red Hat Enterprise Linux BaseOS AUS (v.8.6) bpftool-4.18.0-372.142.1.el8_6, kernel-4.18.0-372.142.1.el8_6, kernel-abi-stablelists-4.18.0-372.142.1.el8_6 +14
    • Red Hat Enterprise Linux BaseOS E4S (v.8.6) bpftool-4.18.0-372.142.1.el8_6, kernel-4.18.0-372.142.1.el8_6, kernel-abi-stablelists-4.18.0-372.142.1.el8_6 +19
    • Red Hat Enterprise Linux BaseOS TUS (v.8.6) bpftool-4.18.0-372.142.1.el8_6, kernel-4.18.0-372.142.1.el8_6, kernel-abi-stablelists-4.18.0-372.142.1.el8_6 +14
  • RHSA-2025:3211 Released 2025-03-26 · Red Hat rating Important
    kernel-rt security update
    • Red Hat Enterprise Linux NFV TUS (v.8.4) kernel-rt-4.18.0-305.152.1.rt7.229.el8_4, kernel-rt-core-4.18.0-305.152.1.rt7.229.el8_4, kernel-rt-debug-4.18.0-305.152.1.rt7.229.el8_4 +9
    • Red Hat Enterprise Linux RT TUS (v.8.4) kernel-rt-4.18.0-305.152.1.rt7.229.el8_4, kernel-rt-core-4.18.0-305.152.1.rt7.229.el8_4, kernel-rt-debug-4.18.0-305.152.1.rt7.229.el8_4 +7
  • RHSA-2025:3207 Released 2025-03-26 · Red Hat rating Important
    kernel security update
    • Red Hat Enterprise Linux BaseOS AUS (v.8.4) bpftool-4.18.0-305.152.1.el8_4, kernel-4.18.0-305.152.1.el8_4, kernel-abi-stablelists-4.18.0-305.152.1.el8_4 +14
    • Red Hat Enterprise Linux BaseOS E4S (v.8.4) bpftool-4.18.0-305.152.1.el8_4, kernel-4.18.0-305.152.1.el8_4, kernel-abi-stablelists-4.18.0-305.152.1.el8_4 +14
    • Red Hat Enterprise Linux BaseOS TUS (v.8.4) bpftool-4.18.0-305.152.1.el8_4, kernel-4.18.0-305.152.1.el8_4, kernel-abi-stablelists-4.18.0-305.152.1.el8_4 +14
  • RHSA-2025:3214 Released 2025-03-26 · Red Hat rating Important
    kernel-rt security update
    • Red Hat Enterprise Linux Real Time EUS (v.9.2) kernel-rt-5.14.0-284.110.1.rt14.395.el9_2, kernel-rt-core-5.14.0-284.110.1.rt14.395.el9_2, kernel-rt-debug-5.14.0-284.110.1.rt14.395.el9_2 +9
    • Red Hat Enterprise Linux Real Time for NFV EUS (v.9.2) kernel-rt-5.14.0-284.110.1.rt14.395.el9_2, kernel-rt-core-5.14.0-284.110.1.rt14.395.el9_2, kernel-rt-debug-5.14.0-284.110.1.rt14.395.el9_2 +11
  • RHSA-2025:3209 Released 2025-03-26 · Red Hat rating Important
    kernel security update
    • Red Hat Enterprise Linux BaseOS AUS (v. 8.2) bpftool-4.18.0-193.148.1.el8_2, kernel-4.18.0-193.148.1.el8_2, kernel-abi-whitelists-4.18.0-193.148.1.el8_2 +14
  • RHSA-2025:3128 Released 2025-03-25 · Red Hat rating Important
    kernel security update
    • Red Hat Enterprise Linux AppStream E4S (v.9.0) kernel-debug-devel-5.14.0-70.126.1.el9_0, kernel-debug-devel-matched-5.14.0-70.126.1.el9_0, kernel-devel-5.14.0-70.126.1.el9_0 +5
    • Red Hat Enterprise Linux BaseOS E4S (v.9.0) bpftool-5.14.0-70.126.1.el9_0, kernel-5.14.0-70.126.1.el9_0, kernel-abi-stablelists-5.14.0-70.126.1.el9_0 +14
  • RHSA-2025:3127 Released 2025-03-25 · Red Hat rating Important
    kernel-rt security update
    • Red Hat Enterprise Linux NFV E4S (v.9.0) kernel-rt-5.14.0-70.126.1.rt21.198.el9_0, kernel-rt-core-5.14.0-70.126.1.rt21.198.el9_0, kernel-rt-debug-5.14.0-70.126.1.rt21.198.el9_0 +9
    • Red Hat Enterprise Linux Real Time E4S (v.9.0) kernel-rt-5.14.0-70.126.1.rt21.198.el9_0, kernel-rt-core-5.14.0-70.126.1.rt21.198.el9_0, kernel-rt-debug-5.14.0-70.126.1.rt21.198.el9_0 +7

Vendor assessments

Red Hat

Red Hat rating: Moderate. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat Enterprise Linux 9AffectedNo fix yet
Red Hat CodeReady Linux Builder (v. 9)Fixed RHSA-2025:3208
Red Hat CodeReady Linux Builder EUS (v.8.8)Fixed RHSA-2025:3216
Red Hat CodeReady Linux Builder EUS (v.9.2)Fixed RHSA-2025:3212
Red Hat CodeReady Linux Builder EUS (v.9.4)Fixed RHSA-2025:3215
Red Hat Enterprise Linux AppStream (v. 10)Fixed RHSA-2025:20095
Red Hat Enterprise Linux AppStream (v. 9)Fixed RHSA-2025:3208
Red Hat Enterprise Linux AppStream E4S (v.9.0)Fixed RHSA-2025:3128
Red Hat Enterprise Linux AppStream EUS (v.9.2)Fixed RHSA-2025:3212
Red Hat Enterprise Linux AppStream EUS (v.9.4)Fixed RHSA-2025:3215
Red Hat Enterprise Linux BaseOS (v. 10)Fixed RHSA-2025:20095
Red Hat Enterprise Linux BaseOS (v. 8)Fixed RHSA-2025:3260
Red Hat Enterprise Linux BaseOS (v. 9)Fixed RHSA-2025:3208
Red Hat Enterprise Linux BaseOS AUS (v. 8.2)Fixed RHSA-2025:3209
Red Hat Enterprise Linux BaseOS AUS (v.8.4)Fixed RHSA-2025:3207
Red Hat Enterprise Linux BaseOS AUS (v.8.6)Fixed RHSA-2025:3213
Red Hat Enterprise Linux BaseOS E4S (v.8.4)Fixed RHSA-2025:3207
Red Hat Enterprise Linux BaseOS E4S (v.8.6)Fixed RHSA-2025:3213
Red Hat Enterprise Linux BaseOS E4S (v.9.0)Fixed RHSA-2025:3128
Red Hat Enterprise Linux BaseOS EUS (v.8.8)Fixed RHSA-2025:3216
Red Hat Enterprise Linux BaseOS EUS (v.9.2)Fixed RHSA-2025:3212
Red Hat Enterprise Linux BaseOS EUS (v.9.4)Fixed RHSA-2025:3215
Red Hat Enterprise Linux BaseOS TUS (v.8.4)Fixed RHSA-2025:3207
Red Hat Enterprise Linux BaseOS TUS (v.8.6)Fixed RHSA-2025:3213
Red Hat Enterprise Linux CRB (v. 8)Fixed RHSA-2025:3260
Red Hat Enterprise Linux CodeReady Linux Builder (v. 10)Fixed RHSA-2025:20095
Red Hat Enterprise Linux NFV (v. 8)Fixed RHSA-2025:3264
Red Hat Enterprise Linux NFV E4S (v.9.0)Fixed RHSA-2025:3127
Red Hat Enterprise Linux NFV TUS (v.8.4)Fixed RHSA-2025:3211
Red Hat Enterprise Linux RT (v. 8)Fixed RHSA-2025:3264
Red Hat Enterprise Linux RT TUS (v.8.4)Fixed RHSA-2025:3211
Red Hat Enterprise Linux Real Time (v. 10)Fixed RHSA-2025:20095
Red Hat Enterprise Linux Real Time (v. 9)Fixed RHSA-2025:3208
Red Hat Enterprise Linux Real Time E4S (v.9.0)Fixed RHSA-2025:3127
Red Hat Enterprise Linux Real Time EUS (v.9.2)Fixed RHSA-2025:3214
Red Hat Enterprise Linux Real Time EUS (v.9.4)Fixed RHSA-2025:3215
Red Hat Enterprise Linux Real Time for NFV (v. 10)Fixed RHSA-2025:20095
Red Hat Enterprise Linux Real Time for NFV (v. 9)Fixed RHSA-2025:3208
Red Hat Enterprise Linux Real Time for NFV EUS (v.9.2)Fixed RHSA-2025:3214
Red Hat Enterprise Linux Real Time for NFV EUS (v.9.4)Fixed RHSA-2025:3215
Not affected: 2 products
  • Red Hat Enterprise Linux 6
  • Red Hat Enterprise Linux 7

Timeline

  1. 2026-10-02 Threatist record created from CVE-2025-21785
  2. 2026-10-03 Alias added: GHSA-xqw5-f5f6-22vf
  3. 2026-10-16 CISA SSVC decision points changed
  4. 2026-10-29 Affected versions changed · Red Hat
  5. 2026-11-03 CVSS score changed · Red Hat

References

Patch 5

Other 3

  • 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
See all 15278 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences