jfs: xattr: fix buffer overflow for invalid xattr

Affected versions

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

• linux linux kernelbefore 4.19.317
• linux linux kernel4.20 and later · before 5.4.279
• linux linux kernel5.5 and later · before 5.10.221
• linux linux kernel5.11 and later · before 5.15.162
• linux linux kernel5.16 and later · before 6.1.95
• linux linux kernel6.2 and later · before 6.6.35
• linux linux kernel6.7 and later · before 6.9.6
• linux linux kernel6.10

Versions reported by the vendor

Affected version ranges reported by the assigning authority (Linux). Independent of NVD's CPE analysis and usually ahead of it.

• Linux Linux

  • 2.6.12affected
  • 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 and later · before f0dedb5c511ed82cbaff4997a8decf2351ba549faffected · git
  • 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 and later · before 1e84c9b1838152a87cf453270a5fa75c5037e83aaffected · git
  • 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 and later · before fc745f6e83cb650f9a5f2c864158e3a5ea76dad0affected · git
  • 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 and later · before 480e5bc21f2c42d90c2c16045d64d824dcdd5ec7affected · git
  • 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 and later · before 33aecc5799c93d3ee02f853cb94e201f9731f123affected · git
  • 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 and later · before 4598233d9748fe4db4e13b9f473588aa25e87d69affected · git
  • 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 and later · before b537cb2f4c4a1357479716a9c339c0bda03d873faffected · git
  • 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 and later · before 7c55b78818cfb732680c4a72ab270cc2d2ee3d0faffected · git
  • before 2.6.12not affected · semver

Package-level exposure

OSV and GitHub Advisory data: ecosystem, package and range. SBOM matching uses this table.

Other highest-scoring records for the same primary product.

• CVE-2022-0847A flaw was found in the way the "flags" member of the new pipe buffer structure was lacking proper initialization in copy_page_to_iter_pipe KEV
  89Now
• CVE-2021-22555Heap Out-Of-Bounds Write in Netfilter IP6T_SO_SET_REPLACEKEV
  85Now
• CVE-2016-5195Race condition in mm/gup.c in the Linux kernel 2.x through 4.x before 4.8.3 allows local users to gain privileges by leveraging incorrect haKEV
  83Now
• CVE-2019-13272In the Linux kernel before 5.1.17, ptrace_link in kernel/ptrace.c mishandles the recording of the credentials of a process that wants to creKEV
  77This week
• CVE-2013-6282The (1) get_user and (2) put_user API functions in the Linux kernel before 3.5.5 on the v6k and v7 ARM platforms do not validate certain addKEV
  77This week
• CVE-2013-2094The perf_swevent_init function in kernel/events/core.c in the Linux kernel before 3.8.9 uses an incorrect integer data type, which allows loKEV
  77This week

FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).

Root cause

When data is copied, the source length is not compared with the size of the destination buffer. Excess data overwrites adjacent memory.

A representative example of this vulnerability class. Not the vendor's source code; it shows the faulty pattern and its fix.

1char buf[256];2memcpy(buf, pkt->data, pkt->len);

1char buf[256];2if (pkt->len > sizeof(buf)) {3  return -EINVAL;4}5memcpy(buf, pkt->data, pkt->len);

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.