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TI-2026-38049 Aliases CVE-2026-52962GHSA-2p2x-px9w-6j23

ceph: fix a buffer leak in __ceph_setxattr()

Priority LOW 33CWE-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: 4 without a fix

Attack profile from CVSS 3.1 · NVD. 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: ceph: fix a buffer leak in __ceph_setxattr() The old_blob in __ceph_setxattr() can store ci->i_xattrs.prealloc_blob value during the retry. However, it is never called the ceph_buffer_put() for the old_blob object. This patch fixes the issue of the buffer leak.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00139 3rd percentileScored 2026-11-07
Fix Partial Linux (Linux): 4.5, 4.10, 4.15 +10Red Hat: 4 without a fix

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

VendorProductAffected versionsFixed inStatusSource
LinuxLinux4.4.192 to before 4.5; 4.9.192 to before 4.10; 4.14.143 to before 4.15; 4.19.72 to before 4.20; 5.2.14 to before 5.34.5, 4.10, 4.15, 4.20, 5.3Patch availableCNA
LinuxLinux5.3 and later5.10.258, 5.15.209, 6.1.175, 6.6.141, 6.12.91, 6.18.33, 7.0.10, 7.1Patch availableCNA
  • Linux VendorLinux Affected 4.4.192 to before 4.5; 4.9.192 to before 4.10; 4.14.143 to before 4.15; 4.19.72 to before 4.20; 5.2.14 to before 5.3 Fixed in 4.5, 4.10, 4.15, 4.20, 5.3 Patch available CNA
  • Linux VendorLinux Affected 5.3 and later Fixed in 5.10.258, 5.15.209, 6.1.175, 6.6.141, 6.12.91, 6.18.33, 7.0.10, 7.1 Patch available CNA

CPE configurations NVD · 8

CPEVersionsRoleVendor
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*4.4.192 to before 4.5; 4.9.192 to before 4.10; 4.14.143 to before 4.15; 4.19.72 to before 4.20; 5.2.14 to before 5.3; 5.3.1 to before 5.10.258; 5.11 to before 5.15.209; 5.16 to before 6.1.175; 6.2 to before 6.6.141; 6.7 to before 6.12.91; 6.13 to before 6.18.33; 6.19 to before 7.0.10VulnerableLinux
cpe:2.3:o:linux:linux_kernel:5.3:-:*:*:*:*:*:*5.3VulnerableLinux
cpe:2.3:o:linux:linux_kernel:5.3:rc6:*:*:*:*:*:*5.3 rc6VulnerableLinux
cpe:2.3:o:linux:linux_kernel:5.3:rc7:*:*:*:*:*:*5.3 rc7VulnerableLinux
cpe:2.3:o:linux:linux_kernel:5.3:rc8:*:*:*:*:*:*5.3 rc8VulnerableLinux
cpe:2.3:o:linux:linux_kernel:7.1:rc1:*:*:*:*:*:*7.1 rc1VulnerableLinux
cpe:2.3:o:linux:linux_kernel:7.1:rc2:*:*:*:*:*:*7.1 rc2VulnerableLinux
cpe:2.3:o:linux:linux_kernel:7.1:rc3:*:*:*:*:*:*7.1 rc3VulnerableLinux
  • cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* Versions 4.4.192 to before 4.5; 4.9.192 to before 4.10; 4.14.143 to before 4.15; 4.19.72 to before 4.20; 5.2.14 to before 5.3; 5.3.1 to before 5.10.258; 5.11 to before 5.15.209; 5.16 to before 6.1.175; 6.2 to before 6.6.141; 6.7 to before 6.12.91; 6.13 to before 6.18.33; 6.19 to before 7.0.10 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:5.3:-:*:*:*:*:*:* Versions 5.3 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:5.3:rc6:*:*:*:*:*:* Versions 5.3 rc6 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:5.3:rc7:*:*:*:*:*:* Versions 5.3 rc7 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:5.3:rc8:*:*:*:*:*:* Versions 5.3 rc8 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:7.1:rc1:*:*:*:*:*:* Versions 7.1 rc1 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:7.1:rc2:*:*:*:*:*:* Versions 7.1 rc2 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:7.1:rc3:*:*:*:*:*:* Versions 7.1 rc3 Vulnerable ·Linux

Remediation

  • Fix · CNA Linux (Linux) Fixed in 4.5, 4.10, 4.15, 4.20, 5.3
  • Fix · CNA Linux (Linux) Fixed in 5.10.258, 5.15.209, 6.1.175, 6.6.141, 6.12.91, 6.18.33, 7.0.10, 7.1

Vendor assessments

Red Hat

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

ProductStatusPlan or fix
Red Hat Enterprise Linux 10AffectedNo fix yet: Fix deferred
Red Hat Enterprise Linux 7AffectedNo fix yet: Fix deferred
Red Hat Enterprise Linux 8AffectedNo fix yet: Fix deferred
Red Hat Enterprise Linux 9AffectedNo fix yet: Fix deferred
Not affected: 1 product
  • Red Hat Enterprise Linux 6

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-52962
  2. 2026-10-03 Alias added: GHSA-2p2x-px9w-6j23
  3. 2026-11-06 CISA SSVC decision points changed

References

  • 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