{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2021-47564","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2024-05-24T15:11:00.728Z","datePublished":"2024-05-24T15:12:52.129Z","dateUpdated":"2025-05-04T07:13:44.545Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2025-05-04T07:13:44.545Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet: marvell: prestera: fix double free issue on err path\n\nfix error path handling in prestera_bridge_port_join() that\ncases prestera driver to crash (see below).\n\n Trace:\n   Internal error: Oops: 96000044 [#1] SMP\n   Modules linked in: prestera_pci prestera uio_pdrv_genirq\n   CPU: 1 PID: 881 Comm: ip Not tainted 5.15.0 #1\n   pstate: 60000005 (nZCv daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--)\n   pc : prestera_bridge_destroy+0x2c/0xb0 [prestera]\n   lr : prestera_bridge_port_join+0x2cc/0x350 [prestera]\n   sp : ffff800011a1b0f0\n   ...\n   x2 : ffff000109ca6c80 x1 : dead000000000100 x0 : dead000000000122\n    Call trace:\n   prestera_bridge_destroy+0x2c/0xb0 [prestera]\n   prestera_bridge_port_join+0x2cc/0x350 [prestera]\n   prestera_netdev_port_event.constprop.0+0x3c4/0x450 [prestera]\n   prestera_netdev_event_handler+0xf4/0x110 [prestera]\n   raw_notifier_call_chain+0x54/0x80\n   call_netdevice_notifiers_info+0x54/0xa0\n   __netdev_upper_dev_link+0x19c/0x380"}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/ethernet/marvell/prestera/prestera_switchdev.c"],"versions":[{"version":"e1189d9a5fbec8153dbe03f3589bc2baa96694e2","lessThan":"5dca8eff4627315df98feec09fff9dfe3356325e","status":"affected","versionType":"git"},{"version":"e1189d9a5fbec8153dbe03f3589bc2baa96694e2","lessThan":"03e5203d2161a00afe4d97d206d2293e40b2f253","status":"affected","versionType":"git"},{"version":"e1189d9a5fbec8153dbe03f3589bc2baa96694e2","lessThan":"e8d032507cb7912baf1d3e0af54516f823befefd","status":"affected","versionType":"git"}]},{"product":"Linux","vendor":"Linux","defaultStatus":"affected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/ethernet/marvell/prestera/prestera_switchdev.c"],"versions":[{"version":"5.10","status":"affected"},{"version":"0","lessThan":"5.10","status":"unaffected","versionType":"semver"},{"version":"5.10.83","lessThanOrEqual":"5.10.*","status":"unaffected","versionType":"semver"},{"version":"5.15.6","lessThanOrEqual":"5.15.*","status":"unaffected","versionType":"semver"},{"version":"5.16","lessThanOrEqual":"*","status":"unaffected","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.10","versionEndExcluding":"5.10.83"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.10","versionEndExcluding":"5.15.6"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.10","versionEndExcluding":"5.16"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/5dca8eff4627315df98feec09fff9dfe3356325e"},{"url":"https://git.kernel.org/stable/c/03e5203d2161a00afe4d97d206d2293e40b2f253"},{"url":"https://git.kernel.org/stable/c/e8d032507cb7912baf1d3e0af54516f823befefd"}],"title":"net: marvell: prestera: fix double free issue on err path","x_generator":{"engine":"bippy-1.2.0"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"id":"CVE-2021-47564","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"version":"2.0.3","timestamp":"2024-05-24T17:03:20.536355Z"}}}],"providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2024-06-04T17:15:02.315Z"}},{"providerMetadata":{"orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE","dateUpdated":"2024-08-04T05:39:59.796Z"},"title":"CVE Program Container","references":[{"url":"https://git.kernel.org/stable/c/5dca8eff4627315df98feec09fff9dfe3356325e","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/03e5203d2161a00afe4d97d206d2293e40b2f253","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/e8d032507cb7912baf1d3e0af54516f823befefd","tags":["x_transferred"]}]}]}}