{"id":"CVE-2022-49061","state":"PUBLISHED","title":"net: ethernet: stmmac: fix altr_tse_pcs function when using a fixed-link","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet: ethernet: stmmac: fix altr_tse_pcs function when using a fixed-link\n\nWhen using a fixed-link, the altr_tse_pcs driver crashes\ndue to null-pointer dereference as no phy_device is provided to\ntse_pcs_fix_mac_speed function. Fix this by adding a check for\nphy_dev before calling the tse_pcs_fix_mac_speed() function.\n\nAlso clean up the tse_pcs_fix_mac_speed function a bit. There is\nno need to check for splitter_base and sgmii_adapter_base\nbecause the driver will fail if these 2 variables are not\nderived from the device tree.","publishedAt":"2025-02-26T01:54:31.142Z","updatedAt":"2026-05-11T18:52:16.391Z","severity":{"score":5.5,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","source":"CISA-ADP"},"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"fb3bbdb859891e6bc27fd1afb3a07319f82c2ee4","status":"affected","lessThan":"7e59fdf9547c4f948d1d917ec7ffa5fb5ac53bdb","versionType":"git"},{"version":"fb3bbdb859891e6bc27fd1afb3a07319f82c2ee4","status":"affected","lessThan":"08d5e3e954537931c8da7428034808d202e98299","versionType":"git"},{"version":"fb3bbdb859891e6bc27fd1afb3a07319f82c2ee4","status":"affected","lessThan":"62a48383ebe2e159fd68425dd3e16d4c6bd6599a","versionType":"git"},{"version":"fb3bbdb859891e6bc27fd1afb3a07319f82c2ee4","status":"affected","lessThan":"6c020f05253df04c3480b586fe188a3582740049","versionType":"git"},{"version":"fb3bbdb859891e6bc27fd1afb3a07319f82c2ee4","status":"affected","lessThan":"a6aaa00324240967272b451bfa772547bd576ee6","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/ethernet/stmicro/stmmac/altr_tse_pcs.c","drivers/net/ethernet/stmicro/stmmac/altr_tse_pcs.h","drivers/net/ethernet/stmicro/stmmac/dwmac-socfpga.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"4.8","status":"affected"},{"version":"0","status":"unaffected","lessThan":"4.8","versionType":"semver"},{"version":"5.4.190","status":"unaffected","lessThanOrEqual":"5.4.*","versionType":"semver"},{"version":"5.10.112","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.35","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"5.17.4","status":"unaffected","lessThanOrEqual":"5.17.*","versionType":"semver"},{"version":"5.18","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/ethernet/stmicro/stmmac/altr_tse_pcs.c","drivers/net/ethernet/stmicro/stmmac/altr_tse_pcs.h","drivers/net/ethernet/stmicro/stmmac/dwmac-socfpga.c"]}],"references":["https://git.kernel.org/stable/c/7e59fdf9547c4f948d1d917ec7ffa5fb5ac53bdb","https://git.kernel.org/stable/c/08d5e3e954537931c8da7428034808d202e98299","https://git.kernel.org/stable/c/62a48383ebe2e159fd68425dd3e16d4c6bd6599a","https://git.kernel.org/stable/c/6c020f05253df04c3480b586fe188a3582740049","https://git.kernel.org/stable/c/a6aaa00324240967272b451bfa772547bd576ee6"],"weaknesses":["CWE-476"],"ingestedAt":"2026-10-29T20:05:26.763Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2022/49xxx/CVE-2022-49061.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2022-49061","state":"PUBLISHED","datePublished":"2025-02-26T01:54:31.142Z","dateUpdated":"2026-05-11T18:52:16.391Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2025-02-26T01:49:39.243Z"},"containers":{"cna":{"title":"net: ethernet: stmmac: fix altr_tse_pcs function when using a fixed-link","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet: ethernet: stmmac: fix altr_tse_pcs function when using a fixed-link\n\nWhen using a fixed-link, the altr_tse_pcs driver crashes\ndue to null-pointer dereference as no phy_device is provided to\ntse_pcs_fix_mac_speed function. Fix this by adding a check for\nphy_dev before calling the tse_pcs_fix_mac_speed() function.\n\nAlso clean up the tse_pcs_fix_mac_speed function a bit. There is\nno need to check for splitter_base and sgmii_adapter_base\nbecause the driver will fail if these 2 variables are not\nderived from the device tree."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"fb3bbdb859891e6bc27fd1afb3a07319f82c2ee4","status":"affected","lessThan":"7e59fdf9547c4f948d1d917ec7ffa5fb5ac53bdb","versionType":"git"},{"version":"fb3bbdb859891e6bc27fd1afb3a07319f82c2ee4","status":"affected","lessThan":"08d5e3e954537931c8da7428034808d202e98299","versionType":"git"},{"version":"fb3bbdb859891e6bc27fd1afb3a07319f82c2ee4","status":"affected","lessThan":"62a48383ebe2e159fd68425dd3e16d4c6bd6599a","versionType":"git"},{"version":"fb3bbdb859891e6bc27fd1afb3a07319f82c2ee4","status":"affected","lessThan":"6c020f05253df04c3480b586fe188a3582740049","versionType":"git"},{"version":"fb3bbdb859891e6bc27fd1afb3a07319f82c2ee4","status":"affected","lessThan":"a6aaa00324240967272b451bfa772547bd576ee6","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/ethernet/stmicro/stmmac/altr_tse_pcs.c","drivers/net/ethernet/stmicro/stmmac/altr_tse_pcs.h","drivers/net/ethernet/stmicro/stmmac/dwmac-socfpga.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"4.8","status":"affected"},{"version":"0","status":"unaffected","lessThan":"4.8","versionType":"semver"},{"version":"5.4.190","status":"unaffected","lessThanOrEqual":"5.4.*","versionType":"semver"},{"version":"5.10.112","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.35","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"5.17.4","status":"unaffected","lessThanOrEqual":"5.17.*","versionType":"semver"},{"version":"5.18","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/ethernet/stmicro/stmmac/altr_tse_pcs.c","drivers/net/ethernet/stmicro/stmmac/altr_tse_pcs.h","drivers/net/ethernet/stmicro/stmmac/dwmac-socfpga.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/7e59fdf9547c4f948d1d917ec7ffa5fb5ac53bdb"},{"url":"https://git.kernel.org/stable/c/08d5e3e954537931c8da7428034808d202e98299"},{"url":"https://git.kernel.org/stable/c/62a48383ebe2e159fd68425dd3e16d4c6bd6599a"},{"url":"https://git.kernel.org/stable/c/6c020f05253df04c3480b586fe188a3582740049"},{"url":"https://git.kernel.org/stable/c/a6aaa00324240967272b451bfa772547bd576ee6"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T18:52:16.391Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.8","versionEndExcluding":"5.4.190"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.8","versionEndExcluding":"5.10.112"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.8","versionEndExcluding":"5.15.35"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.8","versionEndExcluding":"5.17.4"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.8","versionEndExcluding":"5.18"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":5.5,"attackVector":"LOCAL","baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","integrityImpact":"NONE","userInteraction":"NONE","attackComplexity":"LOW","availabilityImpact":"HIGH","privilegesRequired":"LOW","confidentialityImpact":"NONE"}},{"other":{"type":"ssvc","content":{"id":"CVE-2022-49061","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"version":"2.0.3","timestamp":"2025-10-01T19:49:50.480131Z"}}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-476","lang":"en","type":"CWE","description":"CWE-476 NULL Pointer Dereference"}]}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2025-10-01T19:57:06.427Z"}}]}}}